Home / 1,146,708.90-1,720,269.90-472,421.70

Finding the Fourth Proportional to 1,146,708.90, 1,720,269.90 and 472,421.70

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Solution

The fourth proportional to 1,146,708.90, 1,720,269.90 and 472,421.70 is: 708,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,708.90 : 1,720,269.90 = 472,421.70 : x
  2. Step 2: Convert to fraction form
    1,146,708.90/1,720,269.90 = 472,421.70/x
  3. Step 3: Cross multiply
    1,146,708.90x = 1,720,269.90 × 472,421.70
  4. Step 4: Simplify right side
    1,146,708.90x = 812,692,830,616.83
  5. Step 5: Solve for x
    x = 812,692,830,616.83/1,146,708.90
  6. Step 6: Final answer
    x = 708,717.64

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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.