Home / 1,316,677.32-1,817,162.48-743,754.40

Finding the Fourth Proportional to 1,316,677.32, 1,817,162.48 and 743,754.40

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Solution

The fourth proportional to 1,316,677.32, 1,817,162.48 and 743,754.40 is: 1,026,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,677.32 : 1,817,162.48 = 743,754.40 : x
  2. Step 2: Convert to fraction form
    1,316,677.32/1,817,162.48 = 743,754.40/x
  3. Step 3: Cross multiply
    1,316,677.32x = 1,817,162.48 × 743,754.40
  4. Step 4: Simplify right side
    1,316,677.32x = 1,351,522,581,753.23
  5. Step 5: Solve for x
    x = 1,351,522,581,753.23/1,316,677.32
  6. Step 6: Final answer
    x = 1,026,464.54

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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.