Home / 1,201,963.64-1,658,646.78-657,995.18

Finding the Fourth Proportional to 1,201,963.64, 1,658,646.78 and 657,995.18

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Solution

The fourth proportional to 1,201,963.64, 1,658,646.78 and 657,995.18 is: 907,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,963.64 : 1,658,646.78 = 657,995.18 : x
  2. Step 2: Convert to fraction form
    1,201,963.64/1,658,646.78 = 657,995.18/x
  3. Step 3: Cross multiply
    1,201,963.64x = 1,658,646.78 × 657,995.18
  4. Step 4: Simplify right side
    1,201,963.64x = 1,091,381,586,562.52
  5. Step 5: Solve for x
    x = 1,091,381,586,562.52/1,201,963.64
  6. Step 6: Final answer
    x = 907,998.84

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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.