Home / 1,567,118.40-2,350,936.80-668,990.40

Finding the Fourth Proportional to 1,567,118.40, 2,350,936.80 and 668,990.40

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Solution

The fourth proportional to 1,567,118.40, 2,350,936.80 and 668,990.40 is: 1,003,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,118.40 : 2,350,936.80 = 668,990.40 : x
  2. Step 2: Convert to fraction form
    1,567,118.40/2,350,936.80 = 668,990.40/x
  3. Step 3: Cross multiply
    1,567,118.40x = 2,350,936.80 × 668,990.40
  4. Step 4: Simplify right side
    1,567,118.40x = 1,572,754,150,206.72
  5. Step 5: Solve for x
    x = 1,572,754,150,206.72/1,567,118.40
  6. Step 6: Final answer
    x = 1,003,596.25

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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.