Home / 1,361,502.96-1,878,858.54-749,642.88

Finding the Fourth Proportional to 1,361,502.96, 1,878,858.54 and 749,642.88

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Solution

The fourth proportional to 1,361,502.96, 1,878,858.54 and 749,642.88 is: 1,034,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,502.96 : 1,878,858.54 = 749,642.88 : x
  2. Step 2: Convert to fraction form
    1,361,502.96/1,878,858.54 = 749,642.88/x
  3. Step 3: Cross multiply
    1,361,502.96x = 1,878,858.54 × 749,642.88
  4. Step 4: Simplify right side
    1,361,502.96x = 1,408,472,927,038.20
  5. Step 5: Solve for x
    x = 1,408,472,927,038.20/1,361,502.96
  6. Step 6: Final answer
    x = 1,034,498.62

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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.