Home / 1,435,012.68-1,980,244.44-790,419

Finding the Fourth Proportional to 1,435,012.68, 1,980,244.44 and 790,419

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Solution

The fourth proportional to 1,435,012.68, 1,980,244.44 and 790,419 is: 1,090,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,012.68 : 1,980,244.44 = 790,419 : x
  2. Step 2: Convert to fraction form
    1,435,012.68/1,980,244.44 = 790,419/x
  3. Step 3: Cross multiply
    1,435,012.68x = 1,980,244.44 × 790,419
  4. Step 4: Simplify right side
    1,435,012.68x = 1,565,222,830,020.36
  5. Step 5: Solve for x
    x = 1,565,222,830,020.36/1,435,012.68
  6. Step 6: Final answer
    x = 1,090,737.98

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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.