Home / 924,421.80-1,386,632.70-670,511.10

Finding the Fourth Proportional to 924,421.80, 1,386,632.70 and 670,511.10

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Solution

The fourth proportional to 924,421.80, 1,386,632.70 and 670,511.10 is: 1,005,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,421.80 : 1,386,632.70 = 670,511.10 : x
  2. Step 2: Convert to fraction form
    924,421.80/1,386,632.70 = 670,511.10/x
  3. Step 3: Cross multiply
    924,421.80x = 1,386,632.70 × 670,511.10
  4. Step 4: Simplify right side
    924,421.80x = 929,752,616,972.97
  5. Step 5: Solve for x
    x = 929,752,616,972.97/924,421.80
  6. Step 6: Final answer
    x = 1,005,766.65

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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.