Home / 1,387,282.08-1,914,443.73-775,434.18

Finding the Fourth Proportional to 1,387,282.08, 1,914,443.73 and 775,434.18

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Solution

The fourth proportional to 1,387,282.08, 1,914,443.73 and 775,434.18 is: 1,070,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,282.08 : 1,914,443.73 = 775,434.18 : x
  2. Step 2: Convert to fraction form
    1,387,282.08/1,914,443.73 = 775,434.18/x
  3. Step 3: Cross multiply
    1,387,282.08x = 1,914,443.73 × 775,434.18
  4. Step 4: Simplify right side
    1,387,282.08x = 1,484,525,103,928.69
  5. Step 5: Solve for x
    x = 1,484,525,103,928.69/1,387,282.08
  6. Step 6: Final answer
    x = 1,070,096.07

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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.