Home / 924,187.80-1,386,281.70-815,712.60

Finding the Fourth Proportional to 924,187.80, 1,386,281.70 and 815,712.60

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Solution

The fourth proportional to 924,187.80, 1,386,281.70 and 815,712.60 is: 1,223,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,187.80 : 1,386,281.70 = 815,712.60 : x
  2. Step 2: Convert to fraction form
    924,187.80/1,386,281.70 = 815,712.60/x
  3. Step 3: Cross multiply
    924,187.80x = 1,386,281.70 × 815,712.60
  4. Step 4: Simplify right side
    924,187.80x = 1,130,807,449,839.42
  5. Step 5: Solve for x
    x = 1,130,807,449,839.42/924,187.80
  6. Step 6: Final answer
    x = 1,223,568.90

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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.