Home / 1,488,328.40-2,232,784.20-635,398.40

Finding the Fourth Proportional to 1,488,328.40, 2,232,784.20 and 635,398.40

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Solution

The fourth proportional to 1,488,328.40, 2,232,784.20 and 635,398.40 is: 953,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,328.40 : 2,232,784.20 = 635,398.40 : x
  2. Step 2: Convert to fraction form
    1,488,328.40/2,232,784.20 = 635,398.40/x
  3. Step 3: Cross multiply
    1,488,328.40x = 2,232,784.20 × 635,398.40
  4. Step 4: Simplify right side
    1,488,328.40x = 1,418,707,508,225.28
  5. Step 5: Solve for x
    x = 1,418,707,508,225.28/1,488,328.40
  6. Step 6: Final answer
    x = 953,222.09

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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.