Home / 1,779,176.79-2,455,439.82-1,015,345.17

Finding the Fourth Proportional to 1,779,176.79, 2,455,439.82 and 1,015,345.17

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Solution

The fourth proportional to 1,779,176.79, 2,455,439.82 and 1,015,345.17 is: 1,401,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,176.79 : 2,455,439.82 = 1,015,345.17 : x
  2. Step 2: Convert to fraction form
    1,779,176.79/2,455,439.82 = 1,015,345.17/x
  3. Step 3: Cross multiply
    1,779,176.79x = 2,455,439.82 × 1,015,345.17
  4. Step 4: Simplify right side
    1,779,176.79x = 2,493,118,961,462.67
  5. Step 5: Solve for x
    x = 2,493,118,961,462.67/1,779,176.79
  6. Step 6: Final answer
    x = 1,401,276.69

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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.