Home / 1,302,814.65-1,797,884.40-722,075.28

Finding the Fourth Proportional to 1,302,814.65, 1,797,884.40 and 722,075.28

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Solution

The fourth proportional to 1,302,814.65, 1,797,884.40 and 722,075.28 is: 996,463.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,814.65 : 1,797,884.40 = 722,075.28 : x
  2. Step 2: Convert to fraction form
    1,302,814.65/1,797,884.40 = 722,075.28/x
  3. Step 3: Cross multiply
    1,302,814.65x = 1,797,884.40 × 722,075.28
  4. Step 4: Simplify right side
    1,302,814.65x = 1,298,207,881,537.63
  5. Step 5: Solve for x
    x = 1,298,207,881,537.63/1,302,814.65
  6. Step 6: Final answer
    x = 996,463.99

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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.