Home / 1,013,592.02-1,398,148.83-669,428.62

Finding the Fourth Proportional to 1,013,592.02, 1,398,148.83 and 669,428.62

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Solution

The fourth proportional to 1,013,592.02, 1,398,148.83 and 669,428.62 is: 923,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,592.02 : 1,398,148.83 = 669,428.62 : x
  2. Step 2: Convert to fraction form
    1,013,592.02/1,398,148.83 = 669,428.62/x
  3. Step 3: Cross multiply
    1,013,592.02x = 1,398,148.83 × 669,428.62
  4. Step 4: Simplify right side
    1,013,592.02x = 935,960,838,326.14
  5. Step 5: Solve for x
    x = 935,960,838,326.14/1,013,592.02
  6. Step 6: Final answer
    x = 923,409.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.