Home / 1,575,042.40-2,362,909.20-509,903.20

Finding the Fourth Proportional to 1,575,042.40, 2,362,909.20 and 509,903.20

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Solution

The fourth proportional to 1,575,042.40, 2,362,909.20 and 509,903.20 is: 764,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,042.40 : 2,362,909.20 = 509,903.20 : x
  2. Step 2: Convert to fraction form
    1,575,042.40/2,362,909.20 = 509,903.20/x
  3. Step 3: Cross multiply
    1,575,042.40x = 2,362,909.20 × 509,903.20
  4. Step 4: Simplify right side
    1,575,042.40x = 1,204,854,962,389.44
  5. Step 5: Solve for x
    x = 1,204,854,962,389.44/1,575,042.40
  6. Step 6: Final answer
    x = 764,966.68

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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.