Home / 1,146,821.34-1,582,436.30-663,431.46

Finding the Fourth Proportional to 1,146,821.34, 1,582,436.30 and 663,431.46

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Solution

The fourth proportional to 1,146,821.34, 1,582,436.30 and 663,431.46 is: 915,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,821.34 : 1,582,436.30 = 663,431.46 : x
  2. Step 2: Convert to fraction form
    1,146,821.34/1,582,436.30 = 663,431.46/x
  3. Step 3: Cross multiply
    1,146,821.34x = 1,582,436.30 × 663,431.46
  4. Step 4: Simplify right side
    1,146,821.34x = 1,049,838,024,866.00
  5. Step 5: Solve for x
    x = 1,049,838,024,866.00/1,146,821.34
  6. Step 6: Final answer
    x = 915,432.93

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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.