Home / 1,553,366.33-2,142,541.28-1,036,859.80

Finding the Fourth Proportional to 1,553,366.33, 2,142,541.28 and 1,036,859.80

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Solution

The fourth proportional to 1,553,366.33, 2,142,541.28 and 1,036,859.80 is: 1,430,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,366.33 : 2,142,541.28 = 1,036,859.80 : x
  2. Step 2: Convert to fraction form
    1,553,366.33/2,142,541.28 = 1,036,859.80/x
  3. Step 3: Cross multiply
    1,553,366.33x = 2,142,541.28 × 1,036,859.80
  4. Step 4: Simplify right side
    1,553,366.33x = 2,221,514,923,072.54
  5. Step 5: Solve for x
    x = 2,221,514,923,072.54/1,553,366.33
  6. Step 6: Final answer
    x = 1,430,129.44

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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.