Home / 1,298,465.64-1,942,826.92-1,073,931.82

Finding the Fourth Proportional to 1,298,465.64, 1,942,826.92 and 1,073,931.82

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Solution

The fourth proportional to 1,298,465.64, 1,942,826.92 and 1,073,931.82 is: 1,606,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,465.64 : 1,942,826.92 = 1,073,931.82 : x
  2. Step 2: Convert to fraction form
    1,298,465.64/1,942,826.92 = 1,073,931.82/x
  3. Step 3: Cross multiply
    1,298,465.64x = 1,942,826.92 × 1,073,931.82
  4. Step 4: Simplify right side
    1,298,465.64x = 2,086,463,642,598.70
  5. Step 5: Solve for x
    x = 2,086,463,642,598.70/1,298,465.64
  6. Step 6: Final answer
    x = 1,606,868.58

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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.