Home / 1,222,923.51-1,687,256.01-706,488.93

Finding the Fourth Proportional to 1,222,923.51, 1,687,256.01 and 706,488.93

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Solution

The fourth proportional to 1,222,923.51, 1,687,256.01 and 706,488.93 is: 974,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,923.51 : 1,687,256.01 = 706,488.93 : x
  2. Step 2: Convert to fraction form
    1,222,923.51/1,687,256.01 = 706,488.93/x
  3. Step 3: Cross multiply
    1,222,923.51x = 1,687,256.01 × 706,488.93
  4. Step 4: Simplify right side
    1,222,923.51x = 1,192,027,693,140.97
  5. Step 5: Solve for x
    x = 1,192,027,693,140.97/1,222,923.51
  6. Step 6: Final answer
    x = 974,736.10

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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.