Home / 1,026,447.86-1,539,573.16-316,285.22

Finding the Fourth Proportional to 1,026,447.86, 1,539,573.16 and 316,285.22

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Solution

The fourth proportional to 1,026,447.86, 1,539,573.16 and 316,285.22 is: 474,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,447.86 : 1,539,573.16 = 316,285.22 : x
  2. Step 2: Convert to fraction form
    1,026,447.86/1,539,573.16 = 316,285.22/x
  3. Step 3: Cross multiply
    1,026,447.86x = 1,539,573.16 × 316,285.22
  4. Step 4: Simplify right side
    1,026,447.86x = 486,944,235,616.70
  5. Step 5: Solve for x
    x = 486,944,235,616.70/1,026,447.86
  6. Step 6: Final answer
    x = 474,397.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.