Home / 1,092,140.60-1,638,210.90-985,852.40

Finding the Fourth Proportional to 1,092,140.60, 1,638,210.90 and 985,852.40

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Solution

The fourth proportional to 1,092,140.60, 1,638,210.90 and 985,852.40 is: 1,478,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,140.60 : 1,638,210.90 = 985,852.40 : x
  2. Step 2: Convert to fraction form
    1,092,140.60/1,638,210.90 = 985,852.40/x
  3. Step 3: Cross multiply
    1,092,140.60x = 1,638,210.90 × 985,852.40
  4. Step 4: Simplify right side
    1,092,140.60x = 1,615,034,147,471.16
  5. Step 5: Solve for x
    x = 1,615,034,147,471.16/1,092,140.60
  6. Step 6: Final answer
    x = 1,478,778.60

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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.