Home / 1,429,674.39-1,972,956.14-776,301.45

Finding the Fourth Proportional to 1,429,674.39, 1,972,956.14 and 776,301.45

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Solution

The fourth proportional to 1,429,674.39, 1,972,956.14 and 776,301.45 is: 1,071,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,674.39 : 1,972,956.14 = 776,301.45 : x
  2. Step 2: Convert to fraction form
    1,429,674.39/1,972,956.14 = 776,301.45/x
  3. Step 3: Cross multiply
    1,429,674.39x = 1,972,956.14 × 776,301.45
  4. Step 4: Simplify right side
    1,429,674.39x = 1,531,608,708,386.90
  5. Step 5: Solve for x
    x = 1,531,608,708,386.90/1,429,674.39
  6. Step 6: Final answer
    x = 1,071,298.97

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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.