Home / 1,780,516.84-2,670,897.66-715,559.80

Finding the Fourth Proportional to 1,780,516.84, 2,670,897.66 and 715,559.80

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Solution

The fourth proportional to 1,780,516.84, 2,670,897.66 and 715,559.80 is: 1,073,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,516.84 : 2,670,897.66 = 715,559.80 : x
  2. Step 2: Convert to fraction form
    1,780,516.84/2,670,897.66 = 715,559.80/x
  3. Step 3: Cross multiply
    1,780,516.84x = 2,670,897.66 × 715,559.80
  4. Step 4: Simplify right side
    1,780,516.84x = 1,911,186,995,410.07
  5. Step 5: Solve for x
    x = 1,911,186,995,410.07/1,780,516.84
  6. Step 6: Final answer
    x = 1,073,388.89

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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.