Home / 999,047.40-1,498,571.10-663,124.20

Finding the Fourth Proportional to 999,047.40, 1,498,571.10 and 663,124.20

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Solution

The fourth proportional to 999,047.40, 1,498,571.10 and 663,124.20 is: 994,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,047.40 : 1,498,571.10 = 663,124.20 : x
  2. Step 2: Convert to fraction form
    999,047.40/1,498,571.10 = 663,124.20/x
  3. Step 3: Cross multiply
    999,047.40x = 1,498,571.10 × 663,124.20
  4. Step 4: Simplify right side
    999,047.40x = 993,738,761,830.62
  5. Step 5: Solve for x
    x = 993,738,761,830.62/999,047.40
  6. Step 6: Final answer
    x = 994,686.30

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1.5x scale

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.