Home / 1,054,721.52-1,455,513.03-571,287.87

Finding the Fourth Proportional to 1,054,721.52, 1,455,513.03 and 571,287.87

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Solution

The fourth proportional to 1,054,721.52, 1,455,513.03 and 571,287.87 is: 788,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,721.52 : 1,455,513.03 = 571,287.87 : x
  2. Step 2: Convert to fraction form
    1,054,721.52/1,455,513.03 = 571,287.87/x
  3. Step 3: Cross multiply
    1,054,721.52x = 1,455,513.03 × 571,287.87
  4. Step 4: Simplify right side
    1,054,721.52x = 831,516,938,665.95
  5. Step 5: Solve for x
    x = 831,516,938,665.95/1,054,721.52
  6. Step 6: Final answer
    x = 788,375.82

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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.