Home / 1,127,007.40-1,689,975.92-653,837.80

Finding the Fourth Proportional to 1,127,007.40, 1,689,975.92 and 653,837.80

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Solution

The fourth proportional to 1,127,007.40, 1,689,975.92 and 653,837.80 is: 980,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,007.40 : 1,689,975.92 = 653,837.80 : x
  2. Step 2: Convert to fraction form
    1,127,007.40/1,689,975.92 = 653,837.80/x
  3. Step 3: Cross multiply
    1,127,007.40x = 1,689,975.92 × 653,837.80
  4. Step 4: Simplify right side
    1,127,007.40x = 1,104,970,137,585.78
  5. Step 5: Solve for x
    x = 1,104,970,137,585.78/1,127,007.40
  6. Step 6: Final answer
    x = 980,446.21

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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.