Home / 923,141.40-1,384,712.10-879,595.80

Finding the Fourth Proportional to 923,141.40, 1,384,712.10 and 879,595.80

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Solution

The fourth proportional to 923,141.40, 1,384,712.10 and 879,595.80 is: 1,319,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,141.40 : 1,384,712.10 = 879,595.80 : x
  2. Step 2: Convert to fraction form
    923,141.40/1,384,712.10 = 879,595.80/x
  3. Step 3: Cross multiply
    923,141.40x = 1,384,712.10 × 879,595.80
  4. Step 4: Simplify right side
    923,141.40x = 1,217,986,947,369.18
  5. Step 5: Solve for x
    x = 1,217,986,947,369.18/923,141.40
  6. Step 6: Final answer
    x = 1,319,393.70

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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.