Home / 1,458,068.80-2,187,103.20-828,212.80

Finding the Fourth Proportional to 1,458,068.80, 2,187,103.20 and 828,212.80

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Solution

The fourth proportional to 1,458,068.80, 2,187,103.20 and 828,212.80 is: 1,242,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,068.80 : 2,187,103.20 = 828,212.80 : x
  2. Step 2: Convert to fraction form
    1,458,068.80/2,187,103.20 = 828,212.80/x
  3. Step 3: Cross multiply
    1,458,068.80x = 2,187,103.20 × 828,212.80
  4. Step 4: Simplify right side
    1,458,068.80x = 1,811,386,865,160.96
  5. Step 5: Solve for x
    x = 1,811,386,865,160.96/1,458,068.80
  6. Step 6: Final answer
    x = 1,242,319.20

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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.