Home / 1,280,677.32-1,767,402.72-736,895.70

Finding the Fourth Proportional to 1,280,677.32, 1,767,402.72 and 736,895.70

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Solution

The fourth proportional to 1,280,677.32, 1,767,402.72 and 736,895.70 is: 1,016,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,677.32 : 1,767,402.72 = 736,895.70 : x
  2. Step 2: Convert to fraction form
    1,280,677.32/1,767,402.72 = 736,895.70/x
  3. Step 3: Cross multiply
    1,280,677.32x = 1,767,402.72 × 736,895.70
  4. Step 4: Simplify right side
    1,280,677.32x = 1,302,391,464,536.30
  5. Step 5: Solve for x
    x = 1,302,391,464,536.30/1,280,677.32
  6. Step 6: Final answer
    x = 1,016,955.20

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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.