Home / 1,220,560.38-1,830,590.32-462,140.20

Finding the Fourth Proportional to 1,220,560.38, 1,830,590.32 and 462,140.20

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Solution

The fourth proportional to 1,220,560.38, 1,830,590.32 and 462,140.20 is: 693,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,560.38 : 1,830,590.32 = 462,140.20 : x
  2. Step 2: Convert to fraction form
    1,220,560.38/1,830,590.32 = 462,140.20/x
  3. Step 3: Cross multiply
    1,220,560.38x = 1,830,590.32 × 462,140.20
  4. Step 4: Simplify right side
    1,220,560.38x = 845,989,376,602.86
  5. Step 5: Solve for x
    x = 845,989,376,602.86/1,220,560.38
  6. Step 6: Final answer
    x = 693,115.55

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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.