Home / 1,179,133.20-1,768,699.80-753,980.40

Finding the Fourth Proportional to 1,179,133.20, 1,768,699.80 and 753,980.40

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Solution

The fourth proportional to 1,179,133.20, 1,768,699.80 and 753,980.40 is: 1,130,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,133.20 : 1,768,699.80 = 753,980.40 : x
  2. Step 2: Convert to fraction form
    1,179,133.20/1,768,699.80 = 753,980.40/x
  3. Step 3: Cross multiply
    1,179,133.20x = 1,768,699.80 × 753,980.40
  4. Step 4: Simplify right side
    1,179,133.20x = 1,333,564,982,683.92
  5. Step 5: Solve for x
    x = 1,333,564,982,683.92/1,179,133.20
  6. Step 6: Final answer
    x = 1,130,970.60

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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.