Home / 1,438,612-1,985,284.56-802,708

Finding the Fourth Proportional to 1,438,612, 1,985,284.56 and 802,708

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Solution

The fourth proportional to 1,438,612, 1,985,284.56 and 802,708 is: 1,107,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,612 : 1,985,284.56 = 802,708 : x
  2. Step 2: Convert to fraction form
    1,438,612/1,985,284.56 = 802,708/x
  3. Step 3: Cross multiply
    1,438,612x = 1,985,284.56 × 802,708
  4. Step 4: Simplify right side
    1,438,612x = 1,593,603,798,588.48
  5. Step 5: Solve for x
    x = 1,593,603,798,588.48/1,438,612
  6. Step 6: Final answer
    x = 1,107,737.04

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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.