Home / 1,152,953.10-1,729,429.65-489,401.10

Finding the Fourth Proportional to 1,152,953.10, 1,729,429.65 and 489,401.10

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Solution

The fourth proportional to 1,152,953.10, 1,729,429.65 and 489,401.10 is: 734,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,953.10 : 1,729,429.65 = 489,401.10 : x
  2. Step 2: Convert to fraction form
    1,152,953.10/1,729,429.65 = 489,401.10/x
  3. Step 3: Cross multiply
    1,152,953.10x = 1,729,429.65 × 489,401.10
  4. Step 4: Simplify right side
    1,152,953.10x = 846,384,773,082.62
  5. Step 5: Solve for x
    x = 846,384,773,082.62/1,152,953.10
  6. Step 6: Final answer
    x = 734,101.65

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Double scale
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Similar ratio
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1.5x scale

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.