Home / 1,432,748.08-1,977,151.20-779,353.52

Finding the Fourth Proportional to 1,432,748.08, 1,977,151.20 and 779,353.52

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Solution

The fourth proportional to 1,432,748.08, 1,977,151.20 and 779,353.52 is: 1,075,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,748.08 : 1,977,151.20 = 779,353.52 : x
  2. Step 2: Convert to fraction form
    1,432,748.08/1,977,151.20 = 779,353.52/x
  3. Step 3: Cross multiply
    1,432,748.08x = 1,977,151.20 × 779,353.52
  4. Step 4: Simplify right side
    1,432,748.08x = 1,540,899,747,292.22
  5. Step 5: Solve for x
    x = 1,540,899,747,292.22/1,432,748.08
  6. Step 6: Final answer
    x = 1,075,485.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.