Home / 1,310,492.40-1,965,738.60-424,028.40

Finding the Fourth Proportional to 1,310,492.40, 1,965,738.60 and 424,028.40

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Solution

The fourth proportional to 1,310,492.40, 1,965,738.60 and 424,028.40 is: 636,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,492.40 : 1,965,738.60 = 424,028.40 : x
  2. Step 2: Convert to fraction form
    1,310,492.40/1,965,738.60 = 424,028.40/x
  3. Step 3: Cross multiply
    1,310,492.40x = 1,965,738.60 × 424,028.40
  4. Step 4: Simplify right side
    1,310,492.40x = 833,528,993,376.24
  5. Step 5: Solve for x
    x = 833,528,993,376.24/1,310,492.40
  6. Step 6: Final answer
    x = 636,042.60

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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.