Home / 1,121,480.51-1,673,638.46-1,001,807.87

Finding the Fourth Proportional to 1,121,480.51, 1,673,638.46 and 1,001,807.87

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Solution

The fourth proportional to 1,121,480.51, 1,673,638.46 and 1,001,807.87 is: 1,495,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,480.51 : 1,673,638.46 = 1,001,807.87 : x
  2. Step 2: Convert to fraction form
    1,121,480.51/1,673,638.46 = 1,001,807.87/x
  3. Step 3: Cross multiply
    1,121,480.51x = 1,673,638.46 × 1,001,807.87
  4. Step 4: Simplify right side
    1,121,480.51x = 1,676,664,171,142.23
  5. Step 5: Solve for x
    x = 1,676,664,171,142.23/1,121,480.51
  6. Step 6: Final answer
    x = 1,495,045.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.