Home / 1,018,960.25-1,404,683.12-712,083.89

Finding the Fourth Proportional to 1,018,960.25, 1,404,683.12 and 712,083.89

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Solution

The fourth proportional to 1,018,960.25, 1,404,683.12 and 712,083.89 is: 981,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,960.25 : 1,404,683.12 = 712,083.89 : x
  2. Step 2: Convert to fraction form
    1,018,960.25/1,404,683.12 = 712,083.89/x
  3. Step 3: Cross multiply
    1,018,960.25x = 1,404,683.12 × 712,083.89
  4. Step 4: Simplify right side
    1,018,960.25x = 1,000,252,220,306.94
  5. Step 5: Solve for x
    x = 1,000,252,220,306.94/1,018,960.25
  6. Step 6: Final answer
    x = 981,640.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.