Home / 1,370,905.30-2,057,058.14-915,807.69

Finding the Fourth Proportional to 1,370,905.30, 2,057,058.14 and 915,807.69

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Solution

The fourth proportional to 1,370,905.30, 2,057,058.14 and 915,807.69 is: 1,374,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,905.30 : 2,057,058.14 = 915,807.69 : x
  2. Step 2: Convert to fraction form
    1,370,905.30/2,057,058.14 = 915,807.69/x
  3. Step 3: Cross multiply
    1,370,905.30x = 2,057,058.14 × 915,807.69
  4. Step 4: Simplify right side
    1,370,905.30x = 1,883,869,654,530.37
  5. Step 5: Solve for x
    x = 1,883,869,654,530.37/1,370,905.30
  6. Step 6: Final answer
    x = 1,374,179.28

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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.