Home / 999,090.40-1,498,117.20-367,679.20

Finding the Fourth Proportional to 999,090.40, 1,498,117.20 and 367,679.20

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Solution

The fourth proportional to 999,090.40, 1,498,117.20 and 367,679.20 is: 551,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,090.40 : 1,498,117.20 = 367,679.20 : x
  2. Step 2: Convert to fraction form
    999,090.40/1,498,117.20 = 367,679.20/x
  3. Step 3: Cross multiply
    999,090.40x = 1,498,117.20 × 367,679.20
  4. Step 4: Simplify right side
    999,090.40x = 550,826,533,602.24
  5. Step 5: Solve for x
    x = 550,826,533,602.24/999,090.40
  6. Step 6: Final answer
    x = 551,328.02

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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.