Home / 1,103,407.60-1,655,111.40-438,559.60

Finding the Fourth Proportional to 1,103,407.60, 1,655,111.40 and 438,559.60

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Solution

The fourth proportional to 1,103,407.60, 1,655,111.40 and 438,559.60 is: 657,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,407.60 : 1,655,111.40 = 438,559.60 : x
  2. Step 2: Convert to fraction form
    1,103,407.60/1,655,111.40 = 438,559.60/x
  3. Step 3: Cross multiply
    1,103,407.60x = 1,655,111.40 × 438,559.60
  4. Step 4: Simplify right side
    1,103,407.60x = 725,864,993,539.44
  5. Step 5: Solve for x
    x = 725,864,993,539.44/1,103,407.60
  6. Step 6: Final answer
    x = 657,839.40

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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.