Home / 1,489,281.39-2,055,922.16-916,812.27

Finding the Fourth Proportional to 1,489,281.39, 2,055,922.16 and 916,812.27

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Solution

The fourth proportional to 1,489,281.39, 2,055,922.16 and 916,812.27 is: 1,265,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,281.39 : 2,055,922.16 = 916,812.27 : x
  2. Step 2: Convert to fraction form
    1,489,281.39/2,055,922.16 = 916,812.27/x
  3. Step 3: Cross multiply
    1,489,281.39x = 2,055,922.16 × 916,812.27
  4. Step 4: Simplify right side
    1,489,281.39x = 1,884,894,657,868.84
  5. Step 5: Solve for x
    x = 1,884,894,657,868.84/1,489,281.39
  6. Step 6: Final answer
    x = 1,265,640.38

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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.