Home / 1,402,777.81-2,103,512.74-728,678.19

Finding the Fourth Proportional to 1,402,777.81, 2,103,512.74 and 728,678.19

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Solution

The fourth proportional to 1,402,777.81, 2,103,512.74 and 728,678.19 is: 1,092,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,777.81 : 2,103,512.74 = 728,678.19 : x
  2. Step 2: Convert to fraction form
    1,402,777.81/2,103,512.74 = 728,678.19/x
  3. Step 3: Cross multiply
    1,402,777.81x = 2,103,512.74 × 728,678.19
  4. Step 4: Simplify right side
    1,402,777.81x = 1,532,783,852,381.75
  5. Step 5: Solve for x
    x = 1,532,783,852,381.75/1,402,777.81
  6. Step 6: Final answer
    x = 1,092,677.58

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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.