Home / 1,154,173.49-1,739,138.31-948,420.53

Finding the Fourth Proportional to 1,154,173.49, 1,739,138.31 and 948,420.53

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Solution

The fourth proportional to 1,154,173.49, 1,739,138.31 and 948,420.53 is: 1,429,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,173.49 : 1,739,138.31 = 948,420.53 : x
  2. Step 2: Convert to fraction form
    1,154,173.49/1,739,138.31 = 948,420.53/x
  3. Step 3: Cross multiply
    1,154,173.49x = 1,739,138.31 × 948,420.53
  4. Step 4: Simplify right side
    1,154,173.49x = 1,649,434,472,971.40
  5. Step 5: Solve for x
    x = 1,649,434,472,971.40/1,154,173.49
  6. Step 6: Final answer
    x = 1,429,104.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.