Home / 977,136.70-1,465,705.05-809,175.10

Finding the Fourth Proportional to 977,136.70, 1,465,705.05 and 809,175.10

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Solution

The fourth proportional to 977,136.70, 1,465,705.05 and 809,175.10 is: 1,213,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,136.70 : 1,465,705.05 = 809,175.10 : x
  2. Step 2: Convert to fraction form
    977,136.70/1,465,705.05 = 809,175.10/x
  3. Step 3: Cross multiply
    977,136.70x = 1,465,705.05 × 809,175.10
  4. Step 4: Simplify right side
    977,136.70x = 1,186,012,030,404.25
  5. Step 5: Solve for x
    x = 1,186,012,030,404.25/977,136.70
  6. Step 6: Final answer
    x = 1,213,762.65

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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.