Home / 1,576,947.40-2,365,766.70-511,808.20

Finding the Fourth Proportional to 1,576,947.40, 2,365,766.70 and 511,808.20

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Solution

The fourth proportional to 1,576,947.40, 2,365,766.70 and 511,808.20 is: 767,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,947.40 : 2,365,766.70 = 511,808.20 : x
  2. Step 2: Convert to fraction form
    1,576,947.40/2,365,766.70 = 511,808.20/x
  3. Step 3: Cross multiply
    1,576,947.40x = 2,365,766.70 × 511,808.20
  4. Step 4: Simplify right side
    1,576,947.40x = 1,210,818,796,346.94
  5. Step 5: Solve for x
    x = 1,210,818,796,346.94/1,576,947.40
  6. Step 6: Final answer
    x = 767,824.47

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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.