Home / 1,421,869.95-2,132,739.32-356,888.43

Finding the Fourth Proportional to 1,421,869.95, 2,132,739.32 and 356,888.43

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Solution

The fourth proportional to 1,421,869.95, 2,132,739.32 and 356,888.43 is: 535,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,869.95 : 2,132,739.32 = 356,888.43 : x
  2. Step 2: Convert to fraction form
    1,421,869.95/2,132,739.32 = 356,888.43/x
  3. Step 3: Cross multiply
    1,421,869.95x = 2,132,739.32 × 356,888.43
  4. Step 4: Simplify right side
    1,421,869.95x = 761,149,985,729.63
  5. Step 5: Solve for x
    x = 761,149,985,729.63/1,421,869.95
  6. Step 6: Final answer
    x = 535,316.18

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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.