Home / 1,487,787.15-2,053,147.59-808,723.65

Finding the Fourth Proportional to 1,487,787.15, 2,053,147.59 and 808,723.65

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Solution

The fourth proportional to 1,487,787.15, 2,053,147.59 and 808,723.65 is: 1,116,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,787.15 : 2,053,147.59 = 808,723.65 : x
  2. Step 2: Convert to fraction form
    1,487,787.15/2,053,147.59 = 808,723.65/x
  3. Step 3: Cross multiply
    1,487,787.15x = 2,053,147.59 × 808,723.65
  4. Step 4: Simplify right side
    1,487,787.15x = 1,660,429,012,973.50
  5. Step 5: Solve for x
    x = 1,660,429,012,973.50/1,487,787.15
  6. Step 6: Final answer
    x = 1,116,039.36

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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.