Home / 1,337,456.70-1,845,689.94-764,509.20

Finding the Fourth Proportional to 1,337,456.70, 1,845,689.94 and 764,509.20

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Solution

The fourth proportional to 1,337,456.70, 1,845,689.94 and 764,509.20 is: 1,055,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,456.70 : 1,845,689.94 = 764,509.20 : x
  2. Step 2: Convert to fraction form
    1,337,456.70/1,845,689.94 = 764,509.20/x
  3. Step 3: Cross multiply
    1,337,456.70x = 1,845,689.94 × 764,509.20
  4. Step 4: Simplify right side
    1,337,456.70x = 1,411,046,939,477.45
  5. Step 5: Solve for x
    x = 1,411,046,939,477.45/1,337,456.70
  6. Step 6: Final answer
    x = 1,055,022.52

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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.