Home / 1,686,235.20-2,327,064.48-961,192.32

Finding the Fourth Proportional to 1,686,235.20, 2,327,064.48 and 961,192.32

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Solution

The fourth proportional to 1,686,235.20, 2,327,064.48 and 961,192.32 is: 1,326,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,235.20 : 2,327,064.48 = 961,192.32 : x
  2. Step 2: Convert to fraction form
    1,686,235.20/2,327,064.48 = 961,192.32/x
  3. Step 3: Cross multiply
    1,686,235.20x = 2,327,064.48 × 961,192.32
  4. Step 4: Simplify right side
    1,686,235.20x = 2,236,756,506,320.79
  5. Step 5: Solve for x
    x = 2,236,756,506,320.79/1,686,235.20
  6. Step 6: Final answer
    x = 1,326,479.55

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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.