Home / 1,119,410.10-1,679,115.15-645,851.70

Finding the Fourth Proportional to 1,119,410.10, 1,679,115.15 and 645,851.70

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Solution

The fourth proportional to 1,119,410.10, 1,679,115.15 and 645,851.70 is: 968,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,410.10 : 1,679,115.15 = 645,851.70 : x
  2. Step 2: Convert to fraction form
    1,119,410.10/1,679,115.15 = 645,851.70/x
  3. Step 3: Cross multiply
    1,119,410.10x = 1,679,115.15 × 645,851.70
  4. Step 4: Simplify right side
    1,119,410.10x = 1,084,459,374,123.25
  5. Step 5: Solve for x
    x = 1,084,459,374,123.25/1,119,410.10
  6. Step 6: Final answer
    x = 968,777.55

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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.