Home / 1,553,279.94-2,143,457.37-864,987.30

Finding the Fourth Proportional to 1,553,279.94, 2,143,457.37 and 864,987.30

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Solution

The fourth proportional to 1,553,279.94, 2,143,457.37 and 864,987.30 is: 1,193,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,279.94 : 2,143,457.37 = 864,987.30 : x
  2. Step 2: Convert to fraction form
    1,553,279.94/2,143,457.37 = 864,987.30/x
  3. Step 3: Cross multiply
    1,553,279.94x = 2,143,457.37 × 864,987.30
  4. Step 4: Simplify right side
    1,553,279.94x = 1,854,063,403,141.40
  5. Step 5: Solve for x
    x = 1,854,063,403,141.40/1,553,279.94
  6. Step 6: Final answer
    x = 1,193,644.08

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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.