Home / 1,145,588.04-1,580,867.28-636,322.68

Finding the Fourth Proportional to 1,145,588.04, 1,580,867.28 and 636,322.68

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Solution

The fourth proportional to 1,145,588.04, 1,580,867.28 and 636,322.68 is: 878,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,588.04 : 1,580,867.28 = 636,322.68 : x
  2. Step 2: Convert to fraction form
    1,145,588.04/1,580,867.28 = 636,322.68/x
  3. Step 3: Cross multiply
    1,145,588.04x = 1,580,867.28 × 636,322.68
  4. Step 4: Simplify right side
    1,145,588.04x = 1,005,941,704,333.91
  5. Step 5: Solve for x
    x = 1,005,941,704,333.91/1,145,588.04
  6. Step 6: Final answer
    x = 878,100.74

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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.