Home / 1,325,779.12-1,829,523.51-810,395.89

Finding the Fourth Proportional to 1,325,779.12, 1,829,523.51 and 810,395.89

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Solution

The fourth proportional to 1,325,779.12, 1,829,523.51 and 810,395.89 is: 1,118,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,779.12 : 1,829,523.51 = 810,395.89 : x
  2. Step 2: Convert to fraction form
    1,325,779.12/1,829,523.51 = 810,395.89/x
  3. Step 3: Cross multiply
    1,325,779.12x = 1,829,523.51 × 810,395.89
  4. Step 4: Simplify right side
    1,325,779.12x = 1,482,638,333,162.37
  5. Step 5: Solve for x
    x = 1,482,638,333,162.37/1,325,779.12
  6. Step 6: Final answer
    x = 1,118,314.74

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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.