Home / 1,210,199.40-1,670,075.10-673,655.40

Finding the Fourth Proportional to 1,210,199.40, 1,670,075.10 and 673,655.40

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Solution

The fourth proportional to 1,210,199.40, 1,670,075.10 and 673,655.40 is: 929,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,199.40 : 1,670,075.10 = 673,655.40 : x
  2. Step 2: Convert to fraction form
    1,210,199.40/1,670,075.10 = 673,655.40/x
  3. Step 3: Cross multiply
    1,210,199.40x = 1,670,075.10 × 673,655.40
  4. Step 4: Simplify right side
    1,210,199.40x = 1,125,055,109,520.54
  5. Step 5: Solve for x
    x = 1,125,055,109,520.54/1,210,199.40
  6. Step 6: Final answer
    x = 929,644.41

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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.