Home / 1,354,291.98-1,868,999.16-803,334.40

Finding the Fourth Proportional to 1,354,291.98, 1,868,999.16 and 803,334.40

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Solution

The fourth proportional to 1,354,291.98, 1,868,999.16 and 803,334.40 is: 1,108,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,291.98 : 1,868,999.16 = 803,334.40 : x
  2. Step 2: Convert to fraction form
    1,354,291.98/1,868,999.16 = 803,334.40/x
  3. Step 3: Cross multiply
    1,354,291.98x = 1,868,999.16 × 803,334.40
  4. Step 4: Simplify right side
    1,354,291.98x = 1,501,431,318,799.10
  5. Step 5: Solve for x
    x = 1,501,431,318,799.10/1,354,291.98
  6. Step 6: Final answer
    x = 1,108,646.69

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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.