Home / 1,475,136.70-2,212,705.05-976,500.70

Finding the Fourth Proportional to 1,475,136.70, 2,212,705.05 and 976,500.70

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Solution

The fourth proportional to 1,475,136.70, 2,212,705.05 and 976,500.70 is: 1,464,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,136.70 : 2,212,705.05 = 976,500.70 : x
  2. Step 2: Convert to fraction form
    1,475,136.70/2,212,705.05 = 976,500.70/x
  3. Step 3: Cross multiply
    1,475,136.70x = 2,212,705.05 × 976,500.70
  4. Step 4: Simplify right side
    1,475,136.70x = 2,160,708,030,218.53
  5. Step 5: Solve for x
    x = 2,160,708,030,218.53/1,475,136.70
  6. Step 6: Final answer
    x = 1,464,751.05

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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.