Home / 1,767,470.45-2,439,386.21-1,042,397.87

Finding the Fourth Proportional to 1,767,470.45, 2,439,386.21 and 1,042,397.87

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Solution

The fourth proportional to 1,767,470.45, 2,439,386.21 and 1,042,397.87 is: 1,438,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,470.45 : 2,439,386.21 = 1,042,397.87 : x
  2. Step 2: Convert to fraction form
    1,767,470.45/2,439,386.21 = 1,042,397.87/x
  3. Step 3: Cross multiply
    1,767,470.45x = 2,439,386.21 × 1,042,397.87
  4. Step 4: Simplify right side
    1,767,470.45x = 2,542,810,984,199.38
  5. Step 5: Solve for x
    x = 2,542,810,984,199.38/1,767,470.45
  6. Step 6: Final answer
    x = 1,438,672.42

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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.