Home / 1,721,030.40-2,581,545.60-1,245,484.80

Finding the Fourth Proportional to 1,721,030.40, 2,581,545.60 and 1,245,484.80

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Solution

The fourth proportional to 1,721,030.40, 2,581,545.60 and 1,245,484.80 is: 1,868,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,030.40 : 2,581,545.60 = 1,245,484.80 : x
  2. Step 2: Convert to fraction form
    1,721,030.40/2,581,545.60 = 1,245,484.80/x
  3. Step 3: Cross multiply
    1,721,030.40x = 2,581,545.60 × 1,245,484.80
  4. Step 4: Simplify right side
    1,721,030.40x = 3,215,275,805,306.88
  5. Step 5: Solve for x
    x = 3,215,275,805,306.88/1,721,030.40
  6. Step 6: Final answer
    x = 1,868,227.20

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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.