Home / 1,005,290.46-1,507,934.73-257,335.26

Finding the Fourth Proportional to 1,005,290.46, 1,507,934.73 and 257,335.26

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Solution

The fourth proportional to 1,005,290.46, 1,507,934.73 and 257,335.26 is: 386,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,290.46 : 1,507,934.73 = 257,335.26 : x
  2. Step 2: Convert to fraction form
    1,005,290.46/1,507,934.73 = 257,335.26/x
  3. Step 3: Cross multiply
    1,005,290.46x = 1,507,934.73 × 257,335.26
  4. Step 4: Simplify right side
    1,005,290.46x = 388,044,775,807.58
  5. Step 5: Solve for x
    x = 388,044,775,807.58/1,005,290.46
  6. Step 6: Final answer
    x = 386,002.64

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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.