Home / 1,445,357.40-2,168,037.66-434,479.25

Finding the Fourth Proportional to 1,445,357.40, 2,168,037.66 and 434,479.25

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Solution

The fourth proportional to 1,445,357.40, 2,168,037.66 and 434,479.25 is: 651,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,357.40 : 2,168,037.66 = 434,479.25 : x
  2. Step 2: Convert to fraction form
    1,445,357.40/2,168,037.66 = 434,479.25/x
  3. Step 3: Cross multiply
    1,445,357.40x = 2,168,037.66 × 434,479.25
  4. Step 4: Simplify right side
    1,445,357.40x = 941,967,383,537.95
  5. Step 5: Solve for x
    x = 941,967,383,537.95/1,445,357.40
  6. Step 6: Final answer
    x = 651,719.35

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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.