Home / 896,971.78-1,341,367.14-669,428.11

Finding the Fourth Proportional to 896,971.78, 1,341,367.14 and 669,428.11

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Solution

The fourth proportional to 896,971.78, 1,341,367.14 and 669,428.11 is: 1,001,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,971.78 : 1,341,367.14 = 669,428.11 : x
  2. Step 2: Convert to fraction form
    896,971.78/1,341,367.14 = 669,428.11/x
  3. Step 3: Cross multiply
    896,971.78x = 1,341,367.14 × 669,428.11
  4. Step 4: Simplify right side
    896,971.78x = 897,948,869,346.31
  5. Step 5: Solve for x
    x = 897,948,869,346.31/896,971.78
  6. Step 6: Final answer
    x = 1,001,089.32

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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.