Home / 1,126,160-1,688,890.48-406,408.24

Finding the Fourth Proportional to 1,126,160, 1,688,890.48 and 406,408.24

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Solution

The fourth proportional to 1,126,160, 1,688,890.48 and 406,408.24 is: 609,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,160 : 1,688,890.48 = 406,408.24 : x
  2. Step 2: Convert to fraction form
    1,126,160/1,688,890.48 = 406,408.24/x
  3. Step 3: Cross multiply
    1,126,160x = 1,688,890.48 × 406,408.24
  4. Step 4: Simplify right side
    1,126,160x = 686,379,007,529.56
  5. Step 5: Solve for x
    x = 686,379,007,529.56/1,126,160
  6. Step 6: Final answer
    x = 609,486.23

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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.