Home / 1,539,064.72-2,124,120.28-885,677.32

Finding the Fourth Proportional to 1,539,064.72, 2,124,120.28 and 885,677.32

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Solution

The fourth proportional to 1,539,064.72, 2,124,120.28 and 885,677.32 is: 1,222,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,064.72 : 2,124,120.28 = 885,677.32 : x
  2. Step 2: Convert to fraction form
    1,539,064.72/2,124,120.28 = 885,677.32/x
  3. Step 3: Cross multiply
    1,539,064.72x = 2,124,120.28 × 885,677.32
  4. Step 4: Simplify right side
    1,539,064.72x = 1,881,285,156,948.05
  5. Step 5: Solve for x
    x = 1,881,285,156,948.05/1,539,064.72
  6. Step 6: Final answer
    x = 1,222,356.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.