Home / 1,012,784.90-1,519,257.54-338,869.76

Finding the Fourth Proportional to 1,012,784.90, 1,519,257.54 and 338,869.76

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Solution

The fourth proportional to 1,012,784.90, 1,519,257.54 and 338,869.76 is: 508,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,784.90 : 1,519,257.54 = 338,869.76 : x
  2. Step 2: Convert to fraction form
    1,012,784.90/1,519,257.54 = 338,869.76/x
  3. Step 3: Cross multiply
    1,012,784.90x = 1,519,257.54 × 338,869.76
  4. Step 4: Simplify right side
    1,012,784.90x = 514,830,437,957.99
  5. Step 5: Solve for x
    x = 514,830,437,957.99/1,012,784.90
  6. Step 6: Final answer
    x = 508,331.47

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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.