Home / 1,211,614.61-1,672,313.11-753,075.50

Finding the Fourth Proportional to 1,211,614.61, 1,672,313.11 and 753,075.50

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Solution

The fourth proportional to 1,211,614.61, 1,672,313.11 and 753,075.50 is: 1,039,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,614.61 : 1,672,313.11 = 753,075.50 : x
  2. Step 2: Convert to fraction form
    1,211,614.61/1,672,313.11 = 753,075.50/x
  3. Step 3: Cross multiply
    1,211,614.61x = 1,672,313.11 × 753,075.50
  4. Step 4: Simplify right side
    1,211,614.61x = 1,259,378,021,225.55
  5. Step 5: Solve for x
    x = 1,259,378,021,225.55/1,211,614.61
  6. Step 6: Final answer
    x = 1,039,421.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.