Home / 1,325,386.27-1,829,181.51-802,385.15

Finding the Fourth Proportional to 1,325,386.27, 1,829,181.51 and 802,385.15

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Solution

The fourth proportional to 1,325,386.27, 1,829,181.51 and 802,385.15 is: 1,107,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,386.27 : 1,829,181.51 = 802,385.15 : x
  2. Step 2: Convert to fraction form
    1,325,386.27/1,829,181.51 = 802,385.15/x
  3. Step 3: Cross multiply
    1,325,386.27x = 1,829,181.51 × 802,385.15
  4. Step 4: Simplify right side
    1,325,386.27x = 1,467,708,078,272.61
  5. Step 5: Solve for x
    x = 1,467,708,078,272.61/1,325,386.27
  6. Step 6: Final answer
    x = 1,107,381.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.