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Finding the Fourth Proportional to 1,353,789, 1,868,229 and 750,177

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Solution

The fourth proportional to 1,353,789, 1,868,229 and 750,177 is: 1,035,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,789 : 1,868,229 = 750,177 : x
  2. Step 2: Convert to fraction form
    1,353,789/1,868,229 = 750,177/x
  3. Step 3: Cross multiply
    1,353,789x = 1,868,229 × 750,177
  4. Step 4: Simplify right side
    1,353,789x = 1,401,502,426,533
  5. Step 5: Solve for x
    x = 1,401,502,426,533/1,353,789
  6. Step 6: Final answer
    x = 1,035,244.36

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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.