Home / 1,302,862.40-1,952,738.40-671,451.20

Finding the Fourth Proportional to 1,302,862.40, 1,952,738.40 and 671,451.20

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Solution

The fourth proportional to 1,302,862.40, 1,952,738.40 and 671,451.20 is: 1,006,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,862.40 : 1,952,738.40 = 671,451.20 : x
  2. Step 2: Convert to fraction form
    1,302,862.40/1,952,738.40 = 671,451.20/x
  3. Step 3: Cross multiply
    1,302,862.40x = 1,952,738.40 × 671,451.20
  4. Step 4: Simplify right side
    1,302,862.40x = 1,311,168,541,966.08
  5. Step 5: Solve for x
    x = 1,311,168,541,966.08/1,302,862.40
  6. Step 6: Final answer
    x = 1,006,375.30

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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.