Home / 1,852,927.20-2,779,390.80-787,701.60

Finding the Fourth Proportional to 1,852,927.20, 2,779,390.80 and 787,701.60

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Solution

The fourth proportional to 1,852,927.20, 2,779,390.80 and 787,701.60 is: 1,181,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,927.20 : 2,779,390.80 = 787,701.60 : x
  2. Step 2: Convert to fraction form
    1,852,927.20/2,779,390.80 = 787,701.60/x
  3. Step 3: Cross multiply
    1,852,927.20x = 2,779,390.80 × 787,701.60
  4. Step 4: Simplify right side
    1,852,927.20x = 2,189,330,580,185.28
  5. Step 5: Solve for x
    x = 2,189,330,580,185.28/1,852,927.20
  6. Step 6: Final answer
    x = 1,181,552.40

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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.