Home / 1,398,168.81-2,095,798.86-948,926.21

Finding the Fourth Proportional to 1,398,168.81, 2,095,798.86 and 948,926.21

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Solution

The fourth proportional to 1,398,168.81, 2,095,798.86 and 948,926.21 is: 1,422,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,168.81 : 2,095,798.86 = 948,926.21 : x
  2. Step 2: Convert to fraction form
    1,398,168.81/2,095,798.86 = 948,926.21/x
  3. Step 3: Cross multiply
    1,398,168.81x = 2,095,798.86 × 948,926.21
  4. Step 4: Simplify right side
    1,398,168.81x = 1,988,758,458,663.13
  5. Step 5: Solve for x
    x = 1,988,758,458,663.13/1,398,168.81
  6. Step 6: Final answer
    x = 1,422,402.25

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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.