Home / 1,423,988.53-1,966,055.52-843,398.35

Finding the Fourth Proportional to 1,423,988.53, 1,966,055.52 and 843,398.35

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Solution

The fourth proportional to 1,423,988.53, 1,966,055.52 and 843,398.35 is: 1,164,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,988.53 : 1,966,055.52 = 843,398.35 : x
  2. Step 2: Convert to fraction form
    1,423,988.53/1,966,055.52 = 843,398.35/x
  3. Step 3: Cross multiply
    1,423,988.53x = 1,966,055.52 × 843,398.35
  4. Step 4: Simplify right side
    1,423,988.53x = 1,658,167,981,576.39
  5. Step 5: Solve for x
    x = 1,658,167,981,576.39/1,423,988.53
  6. Step 6: Final answer
    x = 1,164,453.19

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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.