Home / 1,118,748.04-1,679,585.54-664,169.15

Finding the Fourth Proportional to 1,118,748.04, 1,679,585.54 and 664,169.15

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Solution

The fourth proportional to 1,118,748.04, 1,679,585.54 and 664,169.15 is: 997,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,748.04 : 1,679,585.54 = 664,169.15 : x
  2. Step 2: Convert to fraction form
    1,118,748.04/1,679,585.54 = 664,169.15/x
  3. Step 3: Cross multiply
    1,118,748.04x = 1,679,585.54 × 664,169.15
  4. Step 4: Simplify right side
    1,118,748.04x = 1,115,528,901,332.21
  5. Step 5: Solve for x
    x = 1,115,528,901,332.21/1,118,748.04
  6. Step 6: Final answer
    x = 997,122.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.