Home / 1,617,722.40-2,425,708.80-671,188.80

Finding the Fourth Proportional to 1,617,722.40, 2,425,708.80 and 671,188.80

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Solution

The fourth proportional to 1,617,722.40, 2,425,708.80 and 671,188.80 is: 1,006,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,722.40 : 2,425,708.80 = 671,188.80 : x
  2. Step 2: Convert to fraction form
    1,617,722.40/2,425,708.80 = 671,188.80/x
  3. Step 3: Cross multiply
    1,617,722.40x = 2,425,708.80 × 671,188.80
  4. Step 4: Simplify right side
    1,617,722.40x = 1,628,108,578,621.44
  5. Step 5: Solve for x
    x = 1,628,108,578,621.44/1,617,722.40
  6. Step 6: Final answer
    x = 1,006,420.25

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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.