Home / 999,222.40-1,495,723.20-577,244.80

Finding the Fourth Proportional to 999,222.40, 1,495,723.20 and 577,244.80

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Solution

The fourth proportional to 999,222.40, 1,495,723.20 and 577,244.80 is: 864,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,222.40 : 1,495,723.20 = 577,244.80 : x
  2. Step 2: Convert to fraction form
    999,222.40/1,495,723.20 = 577,244.80/x
  3. Step 3: Cross multiply
    999,222.40x = 1,495,723.20 × 577,244.80
  4. Step 4: Simplify right side
    999,222.40x = 863,398,439,439.36
  5. Step 5: Solve for x
    x = 863,398,439,439.36/999,222.40
  6. Step 6: Final answer
    x = 864,070.34

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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.