Home / 1,038,268.80-1,557,111.60-328,514.40

Finding the Fourth Proportional to 1,038,268.80, 1,557,111.60 and 328,514.40

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Solution

The fourth proportional to 1,038,268.80, 1,557,111.60 and 328,514.40 is: 492,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,268.80 : 1,557,111.60 = 328,514.40 : x
  2. Step 2: Convert to fraction form
    1,038,268.80/1,557,111.60 = 328,514.40/x
  3. Step 3: Cross multiply
    1,038,268.80x = 1,557,111.60 × 328,514.40
  4. Step 4: Simplify right side
    1,038,268.80x = 511,533,583,007.04
  5. Step 5: Solve for x
    x = 511,533,583,007.04/1,038,268.80
  6. Step 6: Final answer
    x = 492,679.34

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1.5x scale

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.