Home / 1,434,772.65-1,980,075.77-790,192.68

Finding the Fourth Proportional to 1,434,772.65, 1,980,075.77 and 790,192.68

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Solution

The fourth proportional to 1,434,772.65, 1,980,075.77 and 790,192.68 is: 1,090,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,772.65 : 1,980,075.77 = 790,192.68 : x
  2. Step 2: Convert to fraction form
    1,434,772.65/1,980,075.77 = 790,192.68/x
  3. Step 3: Cross multiply
    1,434,772.65x = 1,980,075.77 × 790,192.68
  4. Step 4: Simplify right side
    1,434,772.65x = 1,564,641,375,348.40
  5. Step 5: Solve for x
    x = 1,564,641,375,348.40/1,434,772.65
  6. Step 6: Final answer
    x = 1,090,515.19

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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.