Home / 1,385,781.41-1,898,488.78-1,333,971.28

Finding the Fourth Proportional to 1,385,781.41, 1,898,488.78 and 1,333,971.28

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Solution

The fourth proportional to 1,385,781.41, 1,898,488.78 and 1,333,971.28 is: 1,827,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,781.41 : 1,898,488.78 = 1,333,971.28 : x
  2. Step 2: Convert to fraction form
    1,385,781.41/1,898,488.78 = 1,333,971.28/x
  3. Step 3: Cross multiply
    1,385,781.41x = 1,898,488.78 × 1,333,971.28
  4. Step 4: Simplify right side
    1,385,781.41x = 2,532,529,493,427.40
  5. Step 5: Solve for x
    x = 2,532,529,493,427.40/1,385,781.41
  6. Step 6: Final answer
    x = 1,827,510.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.