Home / 1,412,368.40-2,115,787.80-849,731.60

Finding the Fourth Proportional to 1,412,368.40, 2,115,787.80 and 849,731.60

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Solution

The fourth proportional to 1,412,368.40, 2,115,787.80 and 849,731.60 is: 1,272,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,368.40 : 2,115,787.80 = 849,731.60 : x
  2. Step 2: Convert to fraction form
    1,412,368.40/2,115,787.80 = 849,731.60/x
  3. Step 3: Cross multiply
    1,412,368.40x = 2,115,787.80 × 849,731.60
  4. Step 4: Simplify right side
    1,412,368.40x = 1,797,851,752,554.48
  5. Step 5: Solve for x
    x = 1,797,851,752,554.48/1,412,368.40
  6. Step 6: Final answer
    x = 1,272,934.00

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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.