Home / 1,038,268.80-1,557,403.20-828,316.80

Finding the Fourth Proportional to 1,038,268.80, 1,557,403.20 and 828,316.80

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Solution

The fourth proportional to 1,038,268.80, 1,557,403.20 and 828,316.80 is: 1,242,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,268.80 : 1,557,403.20 = 828,316.80 : x
  2. Step 2: Convert to fraction form
    1,038,268.80/1,557,403.20 = 828,316.80/x
  3. Step 3: Cross multiply
    1,038,268.80x = 1,557,403.20 × 828,316.80
  4. Step 4: Simplify right side
    1,038,268.80x = 1,290,023,234,933.76
  5. Step 5: Solve for x
    x = 1,290,023,234,933.76/1,038,268.80
  6. Step 6: Final answer
    x = 1,242,475.20

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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.