Home / 1,038,051.20-1,557,076.80-611,148.80

Finding the Fourth Proportional to 1,038,051.20, 1,557,076.80 and 611,148.80

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Solution

The fourth proportional to 1,038,051.20, 1,557,076.80 and 611,148.80 is: 916,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,051.20 : 1,557,076.80 = 611,148.80 : x
  2. Step 2: Convert to fraction form
    1,038,051.20/1,557,076.80 = 611,148.80/x
  3. Step 3: Cross multiply
    1,038,051.20x = 1,557,076.80 × 611,148.80
  4. Step 4: Simplify right side
    1,038,051.20x = 951,605,617,827.84
  5. Step 5: Solve for x
    x = 951,605,617,827.84/1,038,051.20
  6. Step 6: Final answer
    x = 916,723.20

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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.