Home / 1,008,077.70-1,512,116.55-830,784.90

Finding the Fourth Proportional to 1,008,077.70, 1,512,116.55 and 830,784.90

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Solution

The fourth proportional to 1,008,077.70, 1,512,116.55 and 830,784.90 is: 1,246,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,077.70 : 1,512,116.55 = 830,784.90 : x
  2. Step 2: Convert to fraction form
    1,008,077.70/1,512,116.55 = 830,784.90/x
  3. Step 3: Cross multiply
    1,008,077.70x = 1,512,116.55 × 830,784.90
  4. Step 4: Simplify right side
    1,008,077.70x = 1,256,243,596,780.10
  5. Step 5: Solve for x
    x = 1,256,243,596,780.10/1,008,077.70
  6. Step 6: Final answer
    x = 1,246,177.35

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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.