Home / 1,919,262.58-2,878,897.53-499,316.38

Finding the Fourth Proportional to 1,919,262.58, 2,878,897.53 and 499,316.38

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Solution

The fourth proportional to 1,919,262.58, 2,878,897.53 and 499,316.38 is: 748,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,262.58 : 2,878,897.53 = 499,316.38 : x
  2. Step 2: Convert to fraction form
    1,919,262.58/2,878,897.53 = 499,316.38/x
  3. Step 3: Cross multiply
    1,919,262.58x = 2,878,897.53 × 499,316.38
  4. Step 4: Simplify right side
    1,919,262.58x = 1,437,480,693,070.54
  5. Step 5: Solve for x
    x = 1,437,480,693,070.54/1,919,262.58
  6. Step 6: Final answer
    x = 748,975.52

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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.