Home / 925,312.40-1,390,042.20-887,526.80

Finding the Fourth Proportional to 925,312.40, 1,390,042.20 and 887,526.80

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Solution

The fourth proportional to 925,312.40, 1,390,042.20 and 887,526.80 is: 1,333,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,312.40 : 1,390,042.20 = 887,526.80 : x
  2. Step 2: Convert to fraction form
    925,312.40/1,390,042.20 = 887,526.80/x
  3. Step 3: Cross multiply
    925,312.40x = 1,390,042.20 × 887,526.80
  4. Step 4: Simplify right side
    925,312.40x = 1,233,699,705,630.96
  5. Step 5: Solve for x
    x = 1,233,699,705,630.96/925,312.40
  6. Step 6: Final answer
    x = 1,333,279.12

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1.5x scale

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.