Home / 1,049,455.30-1,574,182.95-839,503.30

Finding the Fourth Proportional to 1,049,455.30, 1,574,182.95 and 839,503.30

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Solution

The fourth proportional to 1,049,455.30, 1,574,182.95 and 839,503.30 is: 1,259,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,455.30 : 1,574,182.95 = 839,503.30 : x
  2. Step 2: Convert to fraction form
    1,049,455.30/1,574,182.95 = 839,503.30/x
  3. Step 3: Cross multiply
    1,049,455.30x = 1,574,182.95 × 839,503.30
  4. Step 4: Simplify right side
    1,049,455.30x = 1,321,531,781,328.74
  5. Step 5: Solve for x
    x = 1,321,531,781,328.74/1,049,455.30
  6. Step 6: Final answer
    x = 1,259,254.95

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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.