Home / 1,456,191.80-2,185,271.85-509,570.72

Finding the Fourth Proportional to 1,456,191.80, 2,185,271.85 and 509,570.72

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Solution

The fourth proportional to 1,456,191.80, 2,185,271.85 and 509,570.72 is: 764,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,191.80 : 2,185,271.85 = 509,570.72 : x
  2. Step 2: Convert to fraction form
    1,456,191.80/2,185,271.85 = 509,570.72/x
  3. Step 3: Cross multiply
    1,456,191.80x = 2,185,271.85 × 509,570.72
  4. Step 4: Simplify right side
    1,456,191.80x = 1,113,550,550,000.23
  5. Step 5: Solve for x
    x = 1,113,550,550,000.23/1,456,191.80
  6. Step 6: Final answer
    x = 764,700.47

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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.