Home / 1,261,979.20-1,893,487.20-463,643.20

Finding the Fourth Proportional to 1,261,979.20, 1,893,487.20 and 463,643.20

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Solution

The fourth proportional to 1,261,979.20, 1,893,487.20 and 463,643.20 is: 695,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,979.20 : 1,893,487.20 = 463,643.20 : x
  2. Step 2: Convert to fraction form
    1,261,979.20/1,893,487.20 = 463,643.20/x
  3. Step 3: Cross multiply
    1,261,979.20x = 1,893,487.20 × 463,643.20
  4. Step 4: Simplify right side
    1,261,979.20x = 877,902,464,567.04
  5. Step 5: Solve for x
    x = 877,902,464,567.04/1,261,979.20
  6. Step 6: Final answer
    x = 695,655.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.