Home / 1,553,927.10-2,331,145.80-488,712.30

Finding the Fourth Proportional to 1,553,927.10, 2,331,145.80 and 488,712.30

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Solution

The fourth proportional to 1,553,927.10, 2,331,145.80 and 488,712.30 is: 733,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,927.10 : 2,331,145.80 = 488,712.30 : x
  2. Step 2: Convert to fraction form
    1,553,927.10/2,331,145.80 = 488,712.30/x
  3. Step 3: Cross multiply
    1,553,927.10x = 2,331,145.80 × 488,712.30
  4. Step 4: Simplify right side
    1,553,927.10x = 1,139,259,625,553.34
  5. Step 5: Solve for x
    x = 1,139,259,625,553.34/1,553,927.10
  6. Step 6: Final answer
    x = 733,148.70

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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.