Home / 1,174,146.80-1,620,295.18-690,743.08

Finding the Fourth Proportional to 1,174,146.80, 1,620,295.18 and 690,743.08

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Solution

The fourth proportional to 1,174,146.80, 1,620,295.18 and 690,743.08 is: 953,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,146.80 : 1,620,295.18 = 690,743.08 : x
  2. Step 2: Convert to fraction form
    1,174,146.80/1,620,295.18 = 690,743.08/x
  3. Step 3: Cross multiply
    1,174,146.80x = 1,620,295.18 × 690,743.08
  4. Step 4: Simplify right side
    1,174,146.80x = 1,119,207,683,142.35
  5. Step 5: Solve for x
    x = 1,119,207,683,142.35/1,174,146.80
  6. Step 6: Final answer
    x = 953,209.33

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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.