Home / 1,630,570-2,443,191.36-991,069.36

Finding the Fourth Proportional to 1,630,570, 2,443,191.36 and 991,069.36

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Solution

The fourth proportional to 1,630,570, 2,443,191.36 and 991,069.36 is: 1,484,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,570 : 2,443,191.36 = 991,069.36 : x
  2. Step 2: Convert to fraction form
    1,630,570/2,443,191.36 = 991,069.36/x
  3. Step 3: Cross multiply
    1,630,570x = 2,443,191.36 × 991,069.36
  4. Step 4: Simplify right side
    1,630,570x = 2,421,372,097,512.73
  5. Step 5: Solve for x
    x = 2,421,372,097,512.73/1,630,570
  6. Step 6: Final answer
    x = 1,484,985.07

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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.