Home / 1,553,422.04-2,143,585.86-865,041.92

Finding the Fourth Proportional to 1,553,422.04, 2,143,585.86 and 865,041.92

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Solution

The fourth proportional to 1,553,422.04, 2,143,585.86 and 865,041.92 is: 1,193,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,422.04 : 2,143,585.86 = 865,041.92 : x
  2. Step 2: Convert to fraction form
    1,553,422.04/2,143,585.86 = 865,041.92/x
  3. Step 3: Cross multiply
    1,553,422.04x = 2,143,585.86 × 865,041.92
  4. Step 4: Simplify right side
    1,553,422.04x = 1,854,291,628,019.25
  5. Step 5: Solve for x
    x = 1,854,291,628,019.25/1,553,422.04
  6. Step 6: Final answer
    x = 1,193,681.81

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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.