Home / 1,240,460.16-1,860,459.57-387,552.74

Finding the Fourth Proportional to 1,240,460.16, 1,860,459.57 and 387,552.74

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Solution

The fourth proportional to 1,240,460.16, 1,860,459.57 and 387,552.74 is: 581,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,460.16 : 1,860,459.57 = 387,552.74 : x
  2. Step 2: Convert to fraction form
    1,240,460.16/1,860,459.57 = 387,552.74/x
  3. Step 3: Cross multiply
    1,240,460.16x = 1,860,459.57 × 387,552.74
  4. Step 4: Simplify right side
    1,240,460.16x = 721,026,194,710.42
  5. Step 5: Solve for x
    x = 721,026,194,710.42/1,240,460.16
  6. Step 6: Final answer
    x = 581,257.04

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Double scale
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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.