Home / 1,282,656.29-1,769,294.45-847,077.64

Finding the Fourth Proportional to 1,282,656.29, 1,769,294.45 and 847,077.64

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Solution

The fourth proportional to 1,282,656.29, 1,769,294.45 and 847,077.64 is: 1,168,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,656.29 : 1,769,294.45 = 847,077.64 : x
  2. Step 2: Convert to fraction form
    1,282,656.29/1,769,294.45 = 847,077.64/x
  3. Step 3: Cross multiply
    1,282,656.29x = 1,769,294.45 × 847,077.64
  4. Step 4: Simplify right side
    1,282,656.29x = 1,498,729,764,865.56
  5. Step 5: Solve for x
    x = 1,498,729,764,865.56/1,282,656.29
  6. Step 6: Final answer
    x = 1,168,457.82

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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.