Home / 1,425,184.32-2,137,973.16-478,825.68

Finding the Fourth Proportional to 1,425,184.32, 2,137,973.16 and 478,825.68

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Solution

The fourth proportional to 1,425,184.32, 2,137,973.16 and 478,825.68 is: 718,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,184.32 : 2,137,973.16 = 478,825.68 : x
  2. Step 2: Convert to fraction form
    1,425,184.32/2,137,973.16 = 478,825.68/x
  3. Step 3: Cross multiply
    1,425,184.32x = 2,137,973.16 × 478,825.68
  4. Step 4: Simplify right side
    1,425,184.32x = 1,023,716,452,158.75
  5. Step 5: Solve for x
    x = 1,023,716,452,158.75/1,425,184.32
  6. Step 6: Final answer
    x = 718,304.60

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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.