Home / 1,357,890.15-2,036,835.23-728,034.15

Finding the Fourth Proportional to 1,357,890.15, 2,036,835.23 and 728,034.15

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Solution

The fourth proportional to 1,357,890.15, 2,036,835.23 and 728,034.15 is: 1,092,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,890.15 : 2,036,835.23 = 728,034.15 : x
  2. Step 2: Convert to fraction form
    1,357,890.15/2,036,835.23 = 728,034.15/x
  3. Step 3: Cross multiply
    1,357,890.15x = 2,036,835.23 × 728,034.15
  4. Step 4: Simplify right side
    1,357,890.15x = 1,482,885,601,722.93
  5. Step 5: Solve for x
    x = 1,482,885,601,722.93/1,357,890.15
  6. Step 6: Final answer
    x = 1,092,051.23

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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.