Home / 1,144,692.60-1,579,681.89-715,221.78

Finding the Fourth Proportional to 1,144,692.60, 1,579,681.89 and 715,221.78

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Solution

The fourth proportional to 1,144,692.60, 1,579,681.89 and 715,221.78 is: 987,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,692.60 : 1,579,681.89 = 715,221.78 : x
  2. Step 2: Convert to fraction form
    1,144,692.60/1,579,681.89 = 715,221.78/x
  3. Step 3: Cross multiply
    1,144,692.60x = 1,579,681.89 × 715,221.78
  4. Step 4: Simplify right side
    1,144,692.60x = 1,129,822,893,199.56
  5. Step 5: Solve for x
    x = 1,129,822,893,199.56/1,144,692.60
  6. Step 6: Final answer
    x = 987,009.87

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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.