Home / 1,434,719.64-1,979,889.02-790,199.81

Finding the Fourth Proportional to 1,434,719.64, 1,979,889.02 and 790,199.81

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Solution

The fourth proportional to 1,434,719.64, 1,979,889.02 and 790,199.81 is: 1,090,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,719.64 : 1,979,889.02 = 790,199.81 : x
  2. Step 2: Convert to fraction form
    1,434,719.64/1,979,889.02 = 790,199.81/x
  3. Step 3: Cross multiply
    1,434,719.64x = 1,979,889.02 × 790,199.81
  4. Step 4: Simplify right side
    1,434,719.64x = 1,564,507,928,407.35
  5. Step 5: Solve for x
    x = 1,564,507,928,407.35/1,434,719.64
  6. Step 6: Final answer
    x = 1,090,462.47

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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.