Home / 1,359,039.81-1,875,478.68-747,255.11

Finding the Fourth Proportional to 1,359,039.81, 1,875,478.68 and 747,255.11

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Solution

The fourth proportional to 1,359,039.81, 1,875,478.68 and 747,255.11 is: 1,031,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,039.81 : 1,875,478.68 = 747,255.11 : x
  2. Step 2: Convert to fraction form
    1,359,039.81/1,875,478.68 = 747,255.11/x
  3. Step 3: Cross multiply
    1,359,039.81x = 1,875,478.68 × 747,255.11
  4. Step 4: Simplify right side
    1,359,039.81x = 1,401,461,032,014.75
  5. Step 5: Solve for x
    x = 1,401,461,032,014.75/1,359,039.81
  6. Step 6: Final answer
    x = 1,031,214.11

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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.