Home / 1,014,947.20-1,522,809.60-999,006.40

Finding the Fourth Proportional to 1,014,947.20, 1,522,809.60 and 999,006.40

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Solution

The fourth proportional to 1,014,947.20, 1,522,809.60 and 999,006.40 is: 1,498,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,947.20 : 1,522,809.60 = 999,006.40 : x
  2. Step 2: Convert to fraction form
    1,014,947.20/1,522,809.60 = 999,006.40/x
  3. Step 3: Cross multiply
    1,014,947.20x = 1,522,809.60 × 999,006.40
  4. Step 4: Simplify right side
    1,014,947.20x = 1,521,296,536,381.44
  5. Step 5: Solve for x
    x = 1,521,296,536,381.44/1,014,947.20
  6. Step 6: Final answer
    x = 1,498,892.29

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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.