Home / 1,371,972-2,057,959.20-572,817.90

Finding the Fourth Proportional to 1,371,972, 2,057,959.20 and 572,817.90

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Solution

The fourth proportional to 1,371,972, 2,057,959.20 and 572,817.90 is: 859,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,972 : 2,057,959.20 = 572,817.90 : x
  2. Step 2: Convert to fraction form
    1,371,972/2,057,959.20 = 572,817.90/x
  3. Step 3: Cross multiply
    1,371,972x = 2,057,959.20 × 572,817.90
  4. Step 4: Simplify right side
    1,371,972x = 1,178,835,867,229.68
  5. Step 5: Solve for x
    x = 1,178,835,867,229.68/1,371,972
  6. Step 6: Final answer
    x = 859,227.35

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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.