Home / 1,166,639.40-1,749,959.10-980,015.40

Finding the Fourth Proportional to 1,166,639.40, 1,749,959.10 and 980,015.40

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Solution

The fourth proportional to 1,166,639.40, 1,749,959.10 and 980,015.40 is: 1,470,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,639.40 : 1,749,959.10 = 980,015.40 : x
  2. Step 2: Convert to fraction form
    1,166,639.40/1,749,959.10 = 980,015.40/x
  3. Step 3: Cross multiply
    1,166,639.40x = 1,749,959.10 × 980,015.40
  4. Step 4: Simplify right side
    1,166,639.40x = 1,714,986,867,370.14
  5. Step 5: Solve for x
    x = 1,714,986,867,370.14/1,166,639.40
  6. Step 6: Final answer
    x = 1,470,023.10

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Similar ratio
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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.