Home / 1,409,647.77-1,945,332.59-765,075.69

Finding the Fourth Proportional to 1,409,647.77, 1,945,332.59 and 765,075.69

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Solution

The fourth proportional to 1,409,647.77, 1,945,332.59 and 765,075.69 is: 1,055,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,647.77 : 1,945,332.59 = 765,075.69 : x
  2. Step 2: Convert to fraction form
    1,409,647.77/1,945,332.59 = 765,075.69/x
  3. Step 3: Cross multiply
    1,409,647.77x = 1,945,332.59 × 765,075.69
  4. Step 4: Simplify right side
    1,409,647.77x = 1,488,326,669,748.36
  5. Step 5: Solve for x
    x = 1,488,326,669,748.36/1,409,647.77
  6. Step 6: Final answer
    x = 1,055,814.58

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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.