Home / 1,143,475.31-1,715,371.34-385,533.74

Finding the Fourth Proportional to 1,143,475.31, 1,715,371.34 and 385,533.74

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Solution

The fourth proportional to 1,143,475.31, 1,715,371.34 and 385,533.74 is: 578,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,475.31 : 1,715,371.34 = 385,533.74 : x
  2. Step 2: Convert to fraction form
    1,143,475.31/1,715,371.34 = 385,533.74/x
  3. Step 3: Cross multiply
    1,143,475.31x = 1,715,371.34 × 385,533.74
  4. Step 4: Simplify right side
    1,143,475.31x = 661,333,517,694.49
  5. Step 5: Solve for x
    x = 661,333,517,694.49/1,143,475.31
  6. Step 6: Final answer
    x = 578,354.00

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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.