Home / 900,042.40-1,350,409.20-885,872.80

Finding the Fourth Proportional to 900,042.40, 1,350,409.20 and 885,872.80

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Solution

The fourth proportional to 900,042.40, 1,350,409.20 and 885,872.80 is: 1,329,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,042.40 : 1,350,409.20 = 885,872.80 : x
  2. Step 2: Convert to fraction form
    900,042.40/1,350,409.20 = 885,872.80/x
  3. Step 3: Cross multiply
    900,042.40x = 1,350,409.20 × 885,872.80
  4. Step 4: Simplify right side
    900,042.40x = 1,196,290,779,149.76
  5. Step 5: Solve for x
    x = 1,196,290,779,149.76/900,042.40
  6. Step 6: Final answer
    x = 1,329,149.36

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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.