Home / 1,087,233.78-1,501,133.20-679,518.88

Finding the Fourth Proportional to 1,087,233.78, 1,501,133.20 and 679,518.88

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Solution

The fourth proportional to 1,087,233.78, 1,501,133.20 and 679,518.88 is: 938,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,233.78 : 1,501,133.20 = 679,518.88 : x
  2. Step 2: Convert to fraction form
    1,087,233.78/1,501,133.20 = 679,518.88/x
  3. Step 3: Cross multiply
    1,087,233.78x = 1,501,133.20 × 679,518.88
  4. Step 4: Simplify right side
    1,087,233.78x = 1,020,048,350,794.82
  5. Step 5: Solve for x
    x = 1,020,048,350,794.82/1,087,233.78
  6. Step 6: Final answer
    x = 938,205.17

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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.