Home / 1,779,286.95-2,455,457.22-1,015,411.59

Finding the Fourth Proportional to 1,779,286.95, 2,455,457.22 and 1,015,411.59

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Solution

The fourth proportional to 1,779,286.95, 2,455,457.22 and 1,015,411.59 is: 1,401,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,286.95 : 2,455,457.22 = 1,015,411.59 : x
  2. Step 2: Convert to fraction form
    1,779,286.95/2,455,457.22 = 1,015,411.59/x
  3. Step 3: Cross multiply
    1,779,286.95x = 2,455,457.22 × 1,015,411.59
  4. Step 4: Simplify right side
    1,779,286.95x = 2,493,299,719,937.18
  5. Step 5: Solve for x
    x = 2,493,299,719,937.18/1,779,286.95
  6. Step 6: Final answer
    x = 1,401,291.52

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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.