Home / 1,771,887.84-2,445,078.40-997,478.66

Finding the Fourth Proportional to 1,771,887.84, 2,445,078.40 and 997,478.66

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Solution

The fourth proportional to 1,771,887.84, 2,445,078.40 and 997,478.66 is: 1,376,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,887.84 : 2,445,078.40 = 997,478.66 : x
  2. Step 2: Convert to fraction form
    1,771,887.84/2,445,078.40 = 997,478.66/x
  3. Step 3: Cross multiply
    1,771,887.84x = 2,445,078.40 × 997,478.66
  4. Step 4: Simplify right side
    1,771,887.84x = 2,438,913,511,307.86
  5. Step 5: Solve for x
    x = 2,438,913,511,307.86/1,771,887.84
  6. Step 6: Final answer
    x = 1,376,449.15

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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.