Home / 1,977,345.10-2,965,434.45-778,869.10

Finding the Fourth Proportional to 1,977,345.10, 2,965,434.45 and 778,869.10

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Solution

The fourth proportional to 1,977,345.10, 2,965,434.45 and 778,869.10 is: 1,168,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,345.10 : 2,965,434.45 = 778,869.10 : x
  2. Step 2: Convert to fraction form
    1,977,345.10/2,965,434.45 = 778,869.10/x
  3. Step 3: Cross multiply
    1,977,345.10x = 2,965,434.45 × 778,869.10
  4. Step 4: Simplify right side
    1,977,345.10x = 2,309,685,261,180.50
  5. Step 5: Solve for x
    x = 2,309,685,261,180.50/1,977,345.10
  6. Step 6: Final answer
    x = 1,168,073.93

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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.