Home / 1,011,064.64-1,517,065.80-442,370.76

Finding the Fourth Proportional to 1,011,064.64, 1,517,065.80 and 442,370.76

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Solution

The fourth proportional to 1,011,064.64, 1,517,065.80 and 442,370.76 is: 663,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,064.64 : 1,517,065.80 = 442,370.76 : x
  2. Step 2: Convert to fraction form
    1,011,064.64/1,517,065.80 = 442,370.76/x
  3. Step 3: Cross multiply
    1,011,064.64x = 1,517,065.80 × 442,370.76
  4. Step 4: Simplify right side
    1,011,064.64x = 671,105,550,916.01
  5. Step 5: Solve for x
    x = 671,105,550,916.01/1,011,064.64
  6. Step 6: Final answer
    x = 663,761.27

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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.