Home / 1,631,392.36-2,251,681.56-906,489.28

Finding the Fourth Proportional to 1,631,392.36, 2,251,681.56 and 906,489.28

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Solution

The fourth proportional to 1,631,392.36, 2,251,681.56 and 906,489.28 is: 1,251,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,392.36 : 2,251,681.56 = 906,489.28 : x
  2. Step 2: Convert to fraction form
    1,631,392.36/2,251,681.56 = 906,489.28/x
  3. Step 3: Cross multiply
    1,631,392.36x = 2,251,681.56 × 906,489.28
  4. Step 4: Simplify right side
    1,631,392.36x = 2,041,125,196,113.68
  5. Step 5: Solve for x
    x = 2,041,125,196,113.68/1,631,392.36
  6. Step 6: Final answer
    x = 1,251,155.30

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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.