Home / 1,154,634.54-1,593,368.12-645,384.30

Finding the Fourth Proportional to 1,154,634.54, 1,593,368.12 and 645,384.30

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Solution

The fourth proportional to 1,154,634.54, 1,593,368.12 and 645,384.30 is: 890,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,634.54 : 1,593,368.12 = 645,384.30 : x
  2. Step 2: Convert to fraction form
    1,154,634.54/1,593,368.12 = 645,384.30/x
  3. Step 3: Cross multiply
    1,154,634.54x = 1,593,368.12 × 645,384.30
  4. Step 4: Simplify right side
    1,154,634.54x = 1,028,334,757,574.75
  5. Step 5: Solve for x
    x = 1,028,334,757,574.75/1,154,634.54
  6. Step 6: Final answer
    x = 890,614.93

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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.