Home / 1,070,726.17-1,603,947.89-644,026.38

Finding the Fourth Proportional to 1,070,726.17, 1,603,947.89 and 644,026.38

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Solution

The fourth proportional to 1,070,726.17, 1,603,947.89 and 644,026.38 is: 964,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,726.17 : 1,603,947.89 = 644,026.38 : x
  2. Step 2: Convert to fraction form
    1,070,726.17/1,603,947.89 = 644,026.38/x
  3. Step 3: Cross multiply
    1,070,726.17x = 1,603,947.89 × 644,026.38
  4. Step 4: Simplify right side
    1,070,726.17x = 1,032,984,753,305.34
  5. Step 5: Solve for x
    x = 1,032,984,753,305.34/1,070,726.17
  6. Step 6: Final answer
    x = 964,751.57

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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.