Home / 1,653,772.13-2,480,811.62-642,970.88

Finding the Fourth Proportional to 1,653,772.13, 2,480,811.62 and 642,970.88

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Solution

The fourth proportional to 1,653,772.13, 2,480,811.62 and 642,970.88 is: 964,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,772.13 : 2,480,811.62 = 642,970.88 : x
  2. Step 2: Convert to fraction form
    1,653,772.13/2,480,811.62 = 642,970.88/x
  3. Step 3: Cross multiply
    1,653,772.13x = 2,480,811.62 × 642,970.88
  4. Step 4: Simplify right side
    1,653,772.13x = 1,595,089,630,425.63
  5. Step 5: Solve for x
    x = 1,595,089,630,425.63/1,653,772.13
  6. Step 6: Final answer
    x = 964,515.97

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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.