Home / 896,972.78-1,341,368.64-669,429.11

Finding the Fourth Proportional to 896,972.78, 1,341,368.64 and 669,429.11

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Solution

The fourth proportional to 896,972.78, 1,341,368.64 and 669,429.11 is: 1,001,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,972.78 : 1,341,368.64 = 669,429.11 : x
  2. Step 2: Convert to fraction form
    896,972.78/1,341,368.64 = 669,429.11/x
  3. Step 3: Cross multiply
    896,972.78x = 1,341,368.64 × 669,429.11
  4. Step 4: Simplify right side
    896,972.78x = 897,951,214,857.11
  5. Step 5: Solve for x
    x = 897,951,214,857.11/896,972.78
  6. Step 6: Final answer
    x = 1,001,090.82

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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.