Home / 1,238,627.30-1,857,946.71-340,081.70

Finding the Fourth Proportional to 1,238,627.30, 1,857,946.71 and 340,081.70

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Solution

The fourth proportional to 1,238,627.30, 1,857,946.71 and 340,081.70 is: 510,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,627.30 : 1,857,946.71 = 340,081.70 : x
  2. Step 2: Convert to fraction form
    1,238,627.30/1,857,946.71 = 340,081.70/x
  3. Step 3: Cross multiply
    1,238,627.30x = 1,857,946.71 × 340,081.70
  4. Step 4: Simplify right side
    1,238,627.30x = 631,853,675,646.21
  5. Step 5: Solve for x
    x = 631,853,675,646.21/1,238,627.30
  6. Step 6: Final answer
    x = 510,124.13

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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.