Home / 1,013,422.84-1,398,385.65-605,438.30

Finding the Fourth Proportional to 1,013,422.84, 1,398,385.65 and 605,438.30

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Solution

The fourth proportional to 1,013,422.84, 1,398,385.65 and 605,438.30 is: 835,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,422.84 : 1,398,385.65 = 605,438.30 : x
  2. Step 2: Convert to fraction form
    1,013,422.84/1,398,385.65 = 605,438.30/x
  3. Step 3: Cross multiply
    1,013,422.84x = 1,398,385.65 × 605,438.30
  4. Step 4: Simplify right side
    1,013,422.84x = 846,636,223,472.45
  5. Step 5: Solve for x
    x = 846,636,223,472.45/1,013,422.84
  6. Step 6: Final answer
    x = 835,422.48

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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.