Home / 1,557,360-2,147,209.56-1,299,608.28

Finding the Fourth Proportional to 1,557,360, 2,147,209.56 and 1,299,608.28

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Solution

The fourth proportional to 1,557,360, 2,147,209.56 and 1,299,608.28 is: 1,791,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,360 : 2,147,209.56 = 1,299,608.28 : x
  2. Step 2: Convert to fraction form
    1,557,360/2,147,209.56 = 1,299,608.28/x
  3. Step 3: Cross multiply
    1,557,360x = 2,147,209.56 × 1,299,608.28
  4. Step 4: Simplify right side
    1,557,360x = 2,790,531,323,071.16
  5. Step 5: Solve for x
    x = 2,790,531,323,071.16/1,557,360
  6. Step 6: Final answer
    x = 1,791,834.47

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1.5x scale

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.