Home / 1,240,902.42-1,861,460.85-342,344.16

Finding the Fourth Proportional to 1,240,902.42, 1,861,460.85 and 342,344.16

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Solution

The fourth proportional to 1,240,902.42, 1,861,460.85 and 342,344.16 is: 513,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,902.42 : 1,861,460.85 = 342,344.16 : x
  2. Step 2: Convert to fraction form
    1,240,902.42/1,861,460.85 = 342,344.16/x
  3. Step 3: Cross multiply
    1,240,902.42x = 1,861,460.85 × 342,344.16
  4. Step 4: Simplify right side
    1,240,902.42x = 637,260,245,369.45
  5. Step 5: Solve for x
    x = 637,260,245,369.45/1,240,902.42
  6. Step 6: Final answer
    x = 513,545.82

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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.