Home / 1,015,469.40-1,401,502.02-648,105

Finding the Fourth Proportional to 1,015,469.40, 1,401,502.02 and 648,105

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Solution

The fourth proportional to 1,015,469.40, 1,401,502.02 and 648,105 is: 894,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,469.40 : 1,401,502.02 = 648,105 : x
  2. Step 2: Convert to fraction form
    1,015,469.40/1,401,502.02 = 648,105/x
  3. Step 3: Cross multiply
    1,015,469.40x = 1,401,502.02 × 648,105
  4. Step 4: Simplify right side
    1,015,469.40x = 908,320,466,672.10
  5. Step 5: Solve for x
    x = 908,320,466,672.10/1,015,469.40
  6. Step 6: Final answer
    x = 894,483.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.