Home / 1,412,655.85-2,118,936.93-613,938.34

Finding the Fourth Proportional to 1,412,655.85, 2,118,936.93 and 613,938.34

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Solution

The fourth proportional to 1,412,655.85, 2,118,936.93 and 613,938.34 is: 920,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,655.85 : 2,118,936.93 = 613,938.34 : x
  2. Step 2: Convert to fraction form
    1,412,655.85/2,118,936.93 = 613,938.34/x
  3. Step 3: Cross multiply
    1,412,655.85x = 2,118,936.93 × 613,938.34
  4. Step 4: Simplify right side
    1,412,655.85x = 1,300,896,621,368.90
  5. Step 5: Solve for x
    x = 1,300,896,621,368.90/1,412,655.85
  6. Step 6: Final answer
    x = 920,887.15

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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.