Home / 1,434,772.28-1,980,075.25-790,192.31

Finding the Fourth Proportional to 1,434,772.28, 1,980,075.25 and 790,192.31

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Solution

The fourth proportional to 1,434,772.28, 1,980,075.25 and 790,192.31 is: 1,090,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,772.28 : 1,980,075.25 = 790,192.31 : x
  2. Step 2: Convert to fraction form
    1,434,772.28/1,980,075.25 = 790,192.31/x
  3. Step 3: Cross multiply
    1,434,772.28x = 1,980,075.25 × 790,192.31
  4. Step 4: Simplify right side
    1,434,772.28x = 1,564,640,227,846.43
  5. Step 5: Solve for x
    x = 1,564,640,227,846.43/1,434,772.28
  6. Step 6: Final answer
    x = 1,090,514.68

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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.