Home / 900,021.40-1,350,377.70-885,851.80

Finding the Fourth Proportional to 900,021.40, 1,350,377.70 and 885,851.80

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Solution

The fourth proportional to 900,021.40, 1,350,377.70 and 885,851.80 is: 1,329,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,021.40 : 1,350,377.70 = 885,851.80 : x
  2. Step 2: Convert to fraction form
    900,021.40/1,350,377.70 = 885,851.80/x
  3. Step 3: Cross multiply
    900,021.40x = 1,350,377.70 × 885,851.80
  4. Step 4: Simplify right side
    900,021.40x = 1,196,234,516,224.86
  5. Step 5: Solve for x
    x = 1,196,234,516,224.86/900,021.40
  6. Step 6: Final answer
    x = 1,329,117.86

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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.