Home / 1,250,627.28-1,875,941.65-878,312.40

Finding the Fourth Proportional to 1,250,627.28, 1,875,941.65 and 878,312.40

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Solution

The fourth proportional to 1,250,627.28, 1,875,941.65 and 878,312.40 is: 1,317,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,627.28 : 1,875,941.65 = 878,312.40 : x
  2. Step 2: Convert to fraction form
    1,250,627.28/1,875,941.65 = 878,312.40/x
  3. Step 3: Cross multiply
    1,250,627.28x = 1,875,941.65 × 878,312.40
  4. Step 4: Simplify right side
    1,250,627.28x = 1,647,662,812,871.46
  5. Step 5: Solve for x
    x = 1,647,662,812,871.46/1,250,627.28
  6. Step 6: Final answer
    x = 1,317,469.11

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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.