Home / 1,361,318.12-1,878,547.66-749,351.35

Finding the Fourth Proportional to 1,361,318.12, 1,878,547.66 and 749,351.35

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Solution

The fourth proportional to 1,361,318.12, 1,878,547.66 and 749,351.35 is: 1,034,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,318.12 : 1,878,547.66 = 749,351.35 : x
  2. Step 2: Convert to fraction form
    1,361,318.12/1,878,547.66 = 749,351.35/x
  3. Step 3: Cross multiply
    1,361,318.12x = 1,878,547.66 × 749,351.35
  4. Step 4: Simplify right side
    1,361,318.12x = 1,407,692,225,060.34
  5. Step 5: Solve for x
    x = 1,407,692,225,060.34/1,361,318.12
  6. Step 6: Final answer
    x = 1,034,065.59

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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.