Home / 1,108,430.20-1,662,645.30-709,849.45

Finding the Fourth Proportional to 1,108,430.20, 1,662,645.30 and 709,849.45

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Solution

The fourth proportional to 1,108,430.20, 1,662,645.30 and 709,849.45 is: 1,064,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,430.20 : 1,662,645.30 = 709,849.45 : x
  2. Step 2: Convert to fraction form
    1,108,430.20/1,662,645.30 = 709,849.45/x
  3. Step 3: Cross multiply
    1,108,430.20x = 1,662,645.30 × 709,849.45
  4. Step 4: Simplify right side
    1,108,430.20x = 1,180,227,851,750.09
  5. Step 5: Solve for x
    x = 1,180,227,851,750.09/1,108,430.20
  6. Step 6: Final answer
    x = 1,064,774.18

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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.