Home / 1,326,136.04-1,989,217.92-1,061,578.34

Finding the Fourth Proportional to 1,326,136.04, 1,989,217.92 and 1,061,578.34

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Solution

The fourth proportional to 1,326,136.04, 1,989,217.92 and 1,061,578.34 is: 1,592,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,136.04 : 1,989,217.92 = 1,061,578.34 : x
  2. Step 2: Convert to fraction form
    1,326,136.04/1,989,217.92 = 1,061,578.34/x
  3. Step 3: Cross multiply
    1,326,136.04x = 1,989,217.92 × 1,061,578.34
  4. Step 4: Simplify right side
    1,326,136.04x = 2,111,710,657,411.85
  5. Step 5: Solve for x
    x = 2,111,710,657,411.85/1,326,136.04
  6. Step 6: Final answer
    x = 1,592,378.60

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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.