Home / 1,014,482.20-1,521,608.10-266,603.80

Finding the Fourth Proportional to 1,014,482.20, 1,521,608.10 and 266,603.80

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Solution

The fourth proportional to 1,014,482.20, 1,521,608.10 and 266,603.80 is: 399,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,482.20 : 1,521,608.10 = 266,603.80 : x
  2. Step 2: Convert to fraction form
    1,014,482.20/1,521,608.10 = 266,603.80/x
  3. Step 3: Cross multiply
    1,014,482.20x = 1,521,608.10 × 266,603.80
  4. Step 4: Simplify right side
    1,014,482.20x = 405,666,501,570.78
  5. Step 5: Solve for x
    x = 405,666,501,570.78/1,014,482.20
  6. Step 6: Final answer
    x = 399,875.43

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1.5x scale

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.