Home / 832,001.20-1,248,001.80-671,642.80

Finding the Fourth Proportional to 832,001.20, 1,248,001.80 and 671,642.80

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Solution

The fourth proportional to 832,001.20, 1,248,001.80 and 671,642.80 is: 1,007,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,001.20 : 1,248,001.80 = 671,642.80 : x
  2. Step 2: Convert to fraction form
    832,001.20/1,248,001.80 = 671,642.80/x
  3. Step 3: Cross multiply
    832,001.20x = 1,248,001.80 × 671,642.80
  4. Step 4: Simplify right side
    832,001.20x = 838,211,423,357.04
  5. Step 5: Solve for x
    x = 838,211,423,357.04/832,001.20
  6. Step 6: Final answer
    x = 1,007,464.20

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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.