Home / 1,445,871.80-2,168,807.70-547,342.86

Finding the Fourth Proportional to 1,445,871.80, 2,168,807.70 and 547,342.86

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Solution

The fourth proportional to 1,445,871.80, 2,168,807.70 and 547,342.86 is: 821,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,871.80 : 2,168,807.70 = 547,342.86 : x
  2. Step 2: Convert to fraction form
    1,445,871.80/2,168,807.70 = 547,342.86/x
  3. Step 3: Cross multiply
    1,445,871.80x = 2,168,807.70 × 547,342.86
  4. Step 4: Simplify right side
    1,445,871.80x = 1,187,081,409,308.02
  5. Step 5: Solve for x
    x = 1,187,081,409,308.02/1,445,871.80
  6. Step 6: Final answer
    x = 821,014.29

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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.