Home / 809,117.80-1,130,665.40-809,117.80

Finding the Fourth Proportional to 809,117.80, 1,130,665.40 and 809,117.80

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Solution

The fourth proportional to 809,117.80, 1,130,665.40 and 809,117.80 is: 1,130,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,117.80 : 1,130,665.40 = 809,117.80 : x
  2. Step 2: Convert to fraction form
    809,117.80/1,130,665.40 = 809,117.80/x
  3. Step 3: Cross multiply
    809,117.80x = 1,130,665.40 × 809,117.80
  4. Step 4: Simplify right side
    809,117.80x = 914,841,500,984.12
  5. Step 5: Solve for x
    x = 914,841,500,984.12/809,117.80
  6. Step 6: Final answer
    x = 1,130,665.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.