Home / 1,208,637.68-1,667,931-657,358.16

Finding the Fourth Proportional to 1,208,637.68, 1,667,931 and 657,358.16

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Solution

The fourth proportional to 1,208,637.68, 1,667,931 and 657,358.16 is: 907,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,637.68 : 1,667,931 = 657,358.16 : x
  2. Step 2: Convert to fraction form
    1,208,637.68/1,667,931 = 657,358.16/x
  3. Step 3: Cross multiply
    1,208,637.68x = 1,667,931 × 657,358.16
  4. Step 4: Simplify right side
    1,208,637.68x = 1,096,428,053,166.96
  5. Step 5: Solve for x
    x = 1,096,428,053,166.96/1,208,637.68
  6. Step 6: Final answer
    x = 907,160.24

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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.