Home / 1,530,878.24-2,112,871.02-886,690.64

Finding the Fourth Proportional to 1,530,878.24, 2,112,871.02 and 886,690.64

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Solution

The fourth proportional to 1,530,878.24, 2,112,871.02 and 886,690.64 is: 1,223,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,878.24 : 2,112,871.02 = 886,690.64 : x
  2. Step 2: Convert to fraction form
    1,530,878.24/2,112,871.02 = 886,690.64/x
  3. Step 3: Cross multiply
    1,530,878.24x = 2,112,871.02 × 886,690.64
  4. Step 4: Simplify right side
    1,530,878.24x = 1,873,462,956,961.25
  5. Step 5: Solve for x
    x = 1,873,462,956,961.25/1,530,878.24
  6. Step 6: Final answer
    x = 1,223,783.13

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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.