Home / 1,468,130.78-2,201,484.20-861,117.45

Finding the Fourth Proportional to 1,468,130.78, 2,201,484.20 and 861,117.45

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Solution

The fourth proportional to 1,468,130.78, 2,201,484.20 and 861,117.45 is: 1,291,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,130.78 : 2,201,484.20 = 861,117.45 : x
  2. Step 2: Convert to fraction form
    1,468,130.78/2,201,484.20 = 861,117.45/x
  3. Step 3: Cross multiply
    1,468,130.78x = 2,201,484.20 × 861,117.45
  4. Step 4: Simplify right side
    1,468,130.78x = 1,895,736,449,511.87
  5. Step 5: Solve for x
    x = 1,895,736,449,511.87/1,468,130.78
  6. Step 6: Final answer
    x = 1,291,258.57

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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.