Home / 1,109,862.10-1,664,793.15-578,421.10

Finding the Fourth Proportional to 1,109,862.10, 1,664,793.15 and 578,421.10

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Solution

The fourth proportional to 1,109,862.10, 1,664,793.15 and 578,421.10 is: 867,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,862.10 : 1,664,793.15 = 578,421.10 : x
  2. Step 2: Convert to fraction form
    1,109,862.10/1,664,793.15 = 578,421.10/x
  3. Step 3: Cross multiply
    1,109,862.10x = 1,664,793.15 × 578,421.10
  4. Step 4: Simplify right side
    1,109,862.10x = 962,951,485,095.47
  5. Step 5: Solve for x
    x = 962,951,485,095.47/1,109,862.10
  6. Step 6: Final answer
    x = 867,631.65

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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.