Home / 1,059,116.64-1,462,284.80-813,664.25

Finding the Fourth Proportional to 1,059,116.64, 1,462,284.80 and 813,664.25

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Solution

The fourth proportional to 1,059,116.64, 1,462,284.80 and 813,664.25 is: 1,123,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,116.64 : 1,462,284.80 = 813,664.25 : x
  2. Step 2: Convert to fraction form
    1,059,116.64/1,462,284.80 = 813,664.25/x
  3. Step 3: Cross multiply
    1,059,116.64x = 1,462,284.80 × 813,664.25
  4. Step 4: Simplify right side
    1,059,116.64x = 1,189,808,864,289.80
  5. Step 5: Solve for x
    x = 1,189,808,864,289.80/1,059,116.64
  6. Step 6: Final answer
    x = 1,123,397.39

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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.