Home / 876,837.20-1,312,631.40-824,932.40

Finding the Fourth Proportional to 876,837.20, 1,312,631.40 and 824,932.40

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Solution

The fourth proportional to 876,837.20, 1,312,631.40 and 824,932.40 is: 1,234,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,837.20 : 1,312,631.40 = 824,932.40 : x
  2. Step 2: Convert to fraction form
    876,837.20/1,312,631.40 = 824,932.40/x
  3. Step 3: Cross multiply
    876,837.20x = 1,312,631.40 × 824,932.40
  4. Step 4: Simplify right side
    876,837.20x = 1,082,832,171,117.36
  5. Step 5: Solve for x
    x = 1,082,832,171,117.36/876,837.20
  6. Step 6: Final answer
    x = 1,234,929.55

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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.