Home / 835,708.20-1,251,488.70-669,820.20

Finding the Fourth Proportional to 835,708.20, 1,251,488.70 and 669,820.20

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Solution

The fourth proportional to 835,708.20, 1,251,488.70 and 669,820.20 is: 1,003,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,708.20 : 1,251,488.70 = 669,820.20 : x
  2. Step 2: Convert to fraction form
    835,708.20/1,251,488.70 = 669,820.20/x
  3. Step 3: Cross multiply
    835,708.20x = 1,251,488.70 × 669,820.20
  4. Step 4: Simplify right side
    835,708.20x = 838,272,411,331.74
  5. Step 5: Solve for x
    x = 838,272,411,331.74/835,708.20
  6. Step 6: Final answer
    x = 1,003,068.31

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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.