Home / 1,127,070.80-1,692,161.40-890,680.40

Finding the Fourth Proportional to 1,127,070.80, 1,692,161.40 and 890,680.40

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Solution

The fourth proportional to 1,127,070.80, 1,692,161.40 and 890,680.40 is: 1,337,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,070.80 : 1,692,161.40 = 890,680.40 : x
  2. Step 2: Convert to fraction form
    1,127,070.80/1,692,161.40 = 890,680.40/x
  3. Step 3: Cross multiply
    1,127,070.80x = 1,692,161.40 × 890,680.40
  4. Step 4: Simplify right side
    1,127,070.80x = 1,507,174,992,616.56
  5. Step 5: Solve for x
    x = 1,507,174,992,616.56/1,127,070.80
  6. Step 6: Final answer
    x = 1,337,249.61

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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.