Home / 913,502.80-1,371,809.40-677,112.40

Finding the Fourth Proportional to 913,502.80, 1,371,809.40 and 677,112.40

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Solution

The fourth proportional to 913,502.80, 1,371,809.40 and 677,112.40 is: 1,016,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,502.80 : 1,371,809.40 = 677,112.40 : x
  2. Step 2: Convert to fraction form
    913,502.80/1,371,809.40 = 677,112.40/x
  3. Step 3: Cross multiply
    913,502.80x = 1,371,809.40 × 677,112.40
  4. Step 4: Simplify right side
    913,502.80x = 928,869,155,176.56
  5. Step 5: Solve for x
    x = 928,869,155,176.56/913,502.80
  6. Step 6: Final answer
    x = 1,016,821.36

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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.