Home / 1,070,035.01-1,605,577.86-430,312.88

Finding the Fourth Proportional to 1,070,035.01, 1,605,577.86 and 430,312.88

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Solution

The fourth proportional to 1,070,035.01, 1,605,577.86 and 430,312.88 is: 645,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,035.01 : 1,605,577.86 = 430,312.88 : x
  2. Step 2: Convert to fraction form
    1,070,035.01/1,605,577.86 = 430,312.88/x
  3. Step 3: Cross multiply
    1,070,035.01x = 1,605,577.86 × 430,312.88
  4. Step 4: Simplify right side
    1,070,035.01x = 690,900,824,972.95
  5. Step 5: Solve for x
    x = 690,900,824,972.95/1,070,035.01
  6. Step 6: Final answer
    x = 645,680.58

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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.