Home / 1,398,637.80-2,094,050.34-756,645.84

Finding the Fourth Proportional to 1,398,637.80, 2,094,050.34 and 756,645.84

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Solution

The fourth proportional to 1,398,637.80, 2,094,050.34 and 756,645.84 is: 1,132,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,637.80 : 2,094,050.34 = 756,645.84 : x
  2. Step 2: Convert to fraction form
    1,398,637.80/2,094,050.34 = 756,645.84/x
  3. Step 3: Cross multiply
    1,398,637.80x = 2,094,050.34 × 756,645.84
  4. Step 4: Simplify right side
    1,398,637.80x = 1,584,454,478,511.59
  5. Step 5: Solve for x
    x = 1,584,454,478,511.59/1,398,637.80
  6. Step 6: Final answer
    x = 1,132,855.47

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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.