Home / 1,417,416.28-2,124,920.22-659,697.76

Finding the Fourth Proportional to 1,417,416.28, 2,124,920.22 and 659,697.76

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Solution

The fourth proportional to 1,417,416.28, 2,124,920.22 and 659,697.76 is: 988,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,416.28 : 2,124,920.22 = 659,697.76 : x
  2. Step 2: Convert to fraction form
    1,417,416.28/2,124,920.22 = 659,697.76/x
  3. Step 3: Cross multiply
    1,417,416.28x = 2,124,920.22 × 659,697.76
  4. Step 4: Simplify right side
    1,417,416.28x = 1,401,805,109,312.71
  5. Step 5: Solve for x
    x = 1,401,805,109,312.71/1,417,416.28
  6. Step 6: Final answer
    x = 988,986.18

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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.