Home / 1,612,421.28-2,418,981.81-490,461.12

Finding the Fourth Proportional to 1,612,421.28, 2,418,981.81 and 490,461.12

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Solution

The fourth proportional to 1,612,421.28, 2,418,981.81 and 490,461.12 is: 735,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,421.28 : 2,418,981.81 = 490,461.12 : x
  2. Step 2: Convert to fraction form
    1,612,421.28/2,418,981.81 = 490,461.12/x
  3. Step 3: Cross multiply
    1,612,421.28x = 2,418,981.81 × 490,461.12
  4. Step 4: Simplify right side
    1,612,421.28x = 1,186,416,527,792.23
  5. Step 5: Solve for x
    x = 1,186,416,527,792.23/1,612,421.28
  6. Step 6: Final answer
    x = 735,798.11

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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.