Home / 1,779,928.78-2,670,017.70-881,129.20

Finding the Fourth Proportional to 1,779,928.78, 2,670,017.70 and 881,129.20

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Solution

The fourth proportional to 1,779,928.78, 2,670,017.70 and 881,129.20 is: 1,321,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,928.78 : 2,670,017.70 = 881,129.20 : x
  2. Step 2: Convert to fraction form
    1,779,928.78/2,670,017.70 = 881,129.20/x
  3. Step 3: Cross multiply
    1,779,928.78x = 2,670,017.70 × 881,129.20
  4. Step 4: Simplify right side
    1,779,928.78x = 2,352,630,559,986.84
  5. Step 5: Solve for x
    x = 2,352,630,559,986.84/1,779,928.78
  6. Step 6: Final answer
    x = 1,321,755.45

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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.