Home / 1,240,037.13-1,860,145.91-519,655.73

Finding the Fourth Proportional to 1,240,037.13, 1,860,145.91 and 519,655.73

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Solution

The fourth proportional to 1,240,037.13, 1,860,145.91 and 519,655.73 is: 779,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,037.13 : 1,860,145.91 = 519,655.73 : x
  2. Step 2: Convert to fraction form
    1,240,037.13/1,860,145.91 = 519,655.73/x
  3. Step 3: Cross multiply
    1,240,037.13x = 1,860,145.91 × 519,655.73
  4. Step 4: Simplify right side
    1,240,037.13x = 966,635,478,169.29
  5. Step 5: Solve for x
    x = 966,635,478,169.29/1,240,037.13
  6. Step 6: Final answer
    x = 779,521.40

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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.