Home / 1,275,350.40-1,915,099.20-922,838.40

Finding the Fourth Proportional to 1,275,350.40, 1,915,099.20 and 922,838.40

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Solution

The fourth proportional to 1,275,350.40, 1,915,099.20 and 922,838.40 is: 1,385,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,350.40 : 1,915,099.20 = 922,838.40 : x
  2. Step 2: Convert to fraction form
    1,275,350.40/1,915,099.20 = 922,838.40/x
  3. Step 3: Cross multiply
    1,275,350.40x = 1,915,099.20 × 922,838.40
  4. Step 4: Simplify right side
    1,275,350.40x = 1,767,327,081,569.28
  5. Step 5: Solve for x
    x = 1,767,327,081,569.28/1,275,350.40
  6. Step 6: Final answer
    x = 1,385,758.05

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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.