Home / 1,146,818.34-1,582,432.16-663,428.47

Finding the Fourth Proportional to 1,146,818.34, 1,582,432.16 and 663,428.47

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Solution

The fourth proportional to 1,146,818.34, 1,582,432.16 and 663,428.47 is: 915,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,818.34 : 1,582,432.16 = 663,428.47 : x
  2. Step 2: Convert to fraction form
    1,146,818.34/1,582,432.16 = 663,428.47/x
  3. Step 3: Cross multiply
    1,146,818.34x = 1,582,432.16 × 663,428.47
  4. Step 4: Simplify right side
    1,146,818.34x = 1,049,830,535,558.29
  5. Step 5: Solve for x
    x = 1,049,830,535,558.29/1,146,818.34
  6. Step 6: Final answer
    x = 915,428.80

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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.