Home / 1,618,120.67-2,428,264.58-671,492.30

Finding the Fourth Proportional to 1,618,120.67, 2,428,264.58 and 671,492.30

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Solution

The fourth proportional to 1,618,120.67, 2,428,264.58 and 671,492.30 is: 1,007,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,120.67 : 2,428,264.58 = 671,492.30 : x
  2. Step 2: Convert to fraction form
    1,618,120.67/2,428,264.58 = 671,492.30/x
  3. Step 3: Cross multiply
    1,618,120.67x = 2,428,264.58 × 671,492.30
  4. Step 4: Simplify right side
    1,618,120.67x = 1,630,560,952,333.95
  5. Step 5: Solve for x
    x = 1,630,560,952,333.95/1,618,120.67
  6. Step 6: Final answer
    x = 1,007,688.11

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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.