Home / 1,401,228.60-2,101,842.90-922,931.70

Finding the Fourth Proportional to 1,401,228.60, 2,101,842.90 and 922,931.70

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Solution

The fourth proportional to 1,401,228.60, 2,101,842.90 and 922,931.70 is: 1,384,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,228.60 : 2,101,842.90 = 922,931.70 : x
  2. Step 2: Convert to fraction form
    1,401,228.60/2,101,842.90 = 922,931.70/x
  3. Step 3: Cross multiply
    1,401,228.60x = 2,101,842.90 × 922,931.70
  4. Step 4: Simplify right side
    1,401,228.60x = 1,939,857,440,829.93
  5. Step 5: Solve for x
    x = 1,939,857,440,829.93/1,401,228.60
  6. Step 6: Final answer
    x = 1,384,397.55

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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.