Home / 1,281,690-1,922,075.33-382,964.22

Finding the Fourth Proportional to 1,281,690, 1,922,075.33 and 382,964.22

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Solution

The fourth proportional to 1,281,690, 1,922,075.33 and 382,964.22 is: 574,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,690 : 1,922,075.33 = 382,964.22 : x
  2. Step 2: Convert to fraction form
    1,281,690/1,922,075.33 = 382,964.22/x
  3. Step 3: Cross multiply
    1,281,690x = 1,922,075.33 × 382,964.22
  4. Step 4: Simplify right side
    1,281,690x = 736,086,077,619.87
  5. Step 5: Solve for x
    x = 736,086,077,619.87/1,281,690
  6. Step 6: Final answer
    x = 574,308.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.