Home / 1,357,129.94-2,032,593.48-647,656.20

Finding the Fourth Proportional to 1,357,129.94, 2,032,593.48 and 647,656.20

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Solution

The fourth proportional to 1,357,129.94, 2,032,593.48 and 647,656.20 is: 970,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,129.94 : 2,032,593.48 = 647,656.20 : x
  2. Step 2: Convert to fraction form
    1,357,129.94/2,032,593.48 = 647,656.20/x
  3. Step 3: Cross multiply
    1,357,129.94x = 2,032,593.48 × 647,656.20
  4. Step 4: Simplify right side
    1,357,129.94x = 1,316,421,769,401.58
  5. Step 5: Solve for x
    x = 1,316,421,769,401.58/1,357,129.94
  6. Step 6: Final answer
    x = 970,004.22

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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.