Home / 1,275,755.40-1,913,633.10-377,117.10

Finding the Fourth Proportional to 1,275,755.40, 1,913,633.10 and 377,117.10

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Solution

The fourth proportional to 1,275,755.40, 1,913,633.10 and 377,117.10 is: 565,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,755.40 : 1,913,633.10 = 377,117.10 : x
  2. Step 2: Convert to fraction form
    1,275,755.40/1,913,633.10 = 377,117.10/x
  3. Step 3: Cross multiply
    1,275,755.40x = 1,913,633.10 × 377,117.10
  4. Step 4: Simplify right side
    1,275,755.40x = 721,663,765,136.01
  5. Step 5: Solve for x
    x = 721,663,765,136.01/1,275,755.40
  6. Step 6: Final answer
    x = 565,675.65

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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.