Home / 1,434,798.45-1,979,931.06-790,218.68

Finding the Fourth Proportional to 1,434,798.45, 1,979,931.06 and 790,218.68

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Solution

The fourth proportional to 1,434,798.45, 1,979,931.06 and 790,218.68 is: 1,090,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,798.45 : 1,979,931.06 = 790,218.68 : x
  2. Step 2: Convert to fraction form
    1,434,798.45/1,979,931.06 = 790,218.68/x
  3. Step 3: Cross multiply
    1,434,798.45x = 1,979,931.06 × 790,218.68
  4. Step 4: Simplify right side
    1,434,798.45x = 1,564,578,498,824.55
  5. Step 5: Solve for x
    x = 1,564,578,498,824.55/1,434,798.45
  6. Step 6: Final answer
    x = 1,090,451.76

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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.