Home / 1,185,001.20-1,777,501.80-759,848.40

Finding the Fourth Proportional to 1,185,001.20, 1,777,501.80 and 759,848.40

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Solution

The fourth proportional to 1,185,001.20, 1,777,501.80 and 759,848.40 is: 1,139,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,001.20 : 1,777,501.80 = 759,848.40 : x
  2. Step 2: Convert to fraction form
    1,185,001.20/1,777,501.80 = 759,848.40/x
  3. Step 3: Cross multiply
    1,185,001.20x = 1,777,501.80 × 759,848.40
  4. Step 4: Simplify right side
    1,185,001.20x = 1,350,631,898,727.12
  5. Step 5: Solve for x
    x = 1,350,631,898,727.12/1,185,001.20
  6. Step 6: Final answer
    x = 1,139,772.60

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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.