Home / 1,001,488.03-1,381,988.09-638,872.97

Finding the Fourth Proportional to 1,001,488.03, 1,381,988.09 and 638,872.97

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Solution

The fourth proportional to 1,001,488.03, 1,381,988.09 and 638,872.97 is: 881,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,488.03 : 1,381,988.09 = 638,872.97 : x
  2. Step 2: Convert to fraction form
    1,001,488.03/1,381,988.09 = 638,872.97/x
  3. Step 3: Cross multiply
    1,001,488.03x = 1,381,988.09 × 638,872.97
  4. Step 4: Simplify right side
    1,001,488.03x = 882,914,835,562.93
  5. Step 5: Solve for x
    x = 882,914,835,562.93/1,001,488.03
  6. Step 6: Final answer
    x = 881,602.98

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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.