Home / 1,126,984.80-1,692,032.40-890,594.40

Finding the Fourth Proportional to 1,126,984.80, 1,692,032.40 and 890,594.40

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Solution

The fourth proportional to 1,126,984.80, 1,692,032.40 and 890,594.40 is: 1,337,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,984.80 : 1,692,032.40 = 890,594.40 : x
  2. Step 2: Convert to fraction form
    1,126,984.80/1,692,032.40 = 890,594.40/x
  3. Step 3: Cross multiply
    1,126,984.80x = 1,692,032.40 × 890,594.40
  4. Step 4: Simplify right side
    1,126,984.80x = 1,506,914,580,058.56
  5. Step 5: Solve for x
    x = 1,506,914,580,058.56/1,126,984.80
  6. Step 6: Final answer
    x = 1,337,120.59

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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.