Home / 1,977,167.88-2,963,715.48-778,604.40

Finding the Fourth Proportional to 1,977,167.88, 2,963,715.48 and 778,604.40

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Solution

The fourth proportional to 1,977,167.88, 2,963,715.48 and 778,604.40 is: 1,167,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,167.88 : 2,963,715.48 = 778,604.40 : x
  2. Step 2: Convert to fraction form
    1,977,167.88/2,963,715.48 = 778,604.40/x
  3. Step 3: Cross multiply
    1,977,167.88x = 2,963,715.48 × 778,604.40
  4. Step 4: Simplify right side
    1,977,167.88x = 2,307,561,913,076.11
  5. Step 5: Solve for x
    x = 2,307,561,913,076.11/1,977,167.88
  6. Step 6: Final answer
    x = 1,167,104.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.