Home / 1,361,315.79-1,878,544.46-749,349.02

Finding the Fourth Proportional to 1,361,315.79, 1,878,544.46 and 749,349.02

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Solution

The fourth proportional to 1,361,315.79, 1,878,544.46 and 749,349.02 is: 1,034,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,315.79 : 1,878,544.46 = 749,349.02 : x
  2. Step 2: Convert to fraction form
    1,361,315.79/1,878,544.46 = 749,349.02/x
  3. Step 3: Cross multiply
    1,361,315.79x = 1,878,544.46 × 749,349.02
  4. Step 4: Simplify right side
    1,361,315.79x = 1,407,685,456,697.16
  5. Step 5: Solve for x
    x = 1,407,685,456,697.16/1,361,315.79
  6. Step 6: Final answer
    x = 1,034,062.39

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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.