Home / 1,038,863.30-1,558,586.55-506,401.70

Finding the Fourth Proportional to 1,038,863.30, 1,558,586.55 and 506,401.70

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Solution

The fourth proportional to 1,038,863.30, 1,558,586.55 and 506,401.70 is: 759,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,863.30 : 1,558,586.55 = 506,401.70 : x
  2. Step 2: Convert to fraction form
    1,038,863.30/1,558,586.55 = 506,401.70/x
  3. Step 3: Cross multiply
    1,038,863.30x = 1,558,586.55 × 506,401.70
  4. Step 4: Simplify right side
    1,038,863.30x = 789,270,878,517.14
  5. Step 5: Solve for x
    x = 789,270,878,517.14/1,038,863.30
  6. Step 6: Final answer
    x = 759,744.69

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Double scale
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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.