Home / 993,959.20-1,490,938.80-836,495.20

Finding the Fourth Proportional to 993,959.20, 1,490,938.80 and 836,495.20

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Solution

The fourth proportional to 993,959.20, 1,490,938.80 and 836,495.20 is: 1,254,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,959.20 : 1,490,938.80 = 836,495.20 : x
  2. Step 2: Convert to fraction form
    993,959.20/1,490,938.80 = 836,495.20/x
  3. Step 3: Cross multiply
    993,959.20x = 1,490,938.80 × 836,495.20
  4. Step 4: Simplify right side
    993,959.20x = 1,247,163,149,693.76
  5. Step 5: Solve for x
    x = 1,247,163,149,693.76/993,959.20
  6. Step 6: Final answer
    x = 1,254,742.80

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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.