Home / 911,669.10-1,365,535.35-754,205.10

Finding the Fourth Proportional to 911,669.10, 1,365,535.35 and 754,205.10

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Solution

The fourth proportional to 911,669.10, 1,365,535.35 and 754,205.10 is: 1,129,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,669.10 : 1,365,535.35 = 754,205.10 : x
  2. Step 2: Convert to fraction form
    911,669.10/1,365,535.35 = 754,205.10/x
  3. Step 3: Cross multiply
    911,669.10x = 1,365,535.35 × 754,205.10
  4. Step 4: Simplify right side
    911,669.10x = 1,029,893,725,200.29
  5. Step 5: Solve for x
    x = 1,029,893,725,200.29/911,669.10
  6. Step 6: Final answer
    x = 1,129,679.32

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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.