Home / 1,425,157.23-2,137,932.69-478,798.59

Finding the Fourth Proportional to 1,425,157.23, 2,137,932.69 and 478,798.59

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Solution

The fourth proportional to 1,425,157.23, 2,137,932.69 and 478,798.59 is: 718,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,157.23 : 2,137,932.69 = 478,798.59 : x
  2. Step 2: Convert to fraction form
    1,425,157.23/2,137,932.69 = 478,798.59/x
  3. Step 3: Cross multiply
    1,425,157.23x = 2,137,932.69 × 478,798.59
  4. Step 4: Simplify right side
    1,425,157.23x = 1,023,639,157,486.91
  5. Step 5: Solve for x
    x = 1,023,639,157,486.91/1,425,157.23
  6. Step 6: Final answer
    x = 718,264.02

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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.