Home / 1,383,590.74-2,075,275.32-615,326.32

Finding the Fourth Proportional to 1,383,590.74, 2,075,275.32 and 615,326.32

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Solution

The fourth proportional to 1,383,590.74, 2,075,275.32 and 615,326.32 is: 922,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,590.74 : 2,075,275.32 = 615,326.32 : x
  2. Step 2: Convert to fraction form
    1,383,590.74/2,075,275.32 = 615,326.32/x
  3. Step 3: Cross multiply
    1,383,590.74x = 2,075,275.32 × 615,326.32
  4. Step 4: Simplify right side
    1,383,590.74x = 1,276,971,525,642.42
  5. Step 5: Solve for x
    x = 1,276,971,525,642.42/1,383,590.74
  6. Step 6: Final answer
    x = 922,940.21

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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.