Home / 1,779,855.04-2,455,522-1,315,823.12

Finding the Fourth Proportional to 1,779,855.04, 2,455,522 and 1,315,823.12

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Solution

The fourth proportional to 1,779,855.04, 2,455,522 and 1,315,823.12 is: 1,815,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,855.04 : 2,455,522 = 1,315,823.12 : x
  2. Step 2: Convert to fraction form
    1,779,855.04/2,455,522 = 1,315,823.12/x
  3. Step 3: Cross multiply
    1,779,855.04x = 2,455,522 × 1,315,823.12
  4. Step 4: Simplify right side
    1,779,855.04x = 3,231,032,619,268.64
  5. Step 5: Solve for x
    x = 3,231,032,619,268.64/1,779,855.04
  6. Step 6: Final answer
    x = 1,815,334.70

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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.