Home / 1,050,139-1,575,291.30-517,369.36

Finding the Fourth Proportional to 1,050,139, 1,575,291.30 and 517,369.36

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Solution

The fourth proportional to 1,050,139, 1,575,291.30 and 517,369.36 is: 776,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,139 : 1,575,291.30 = 517,369.36 : x
  2. Step 2: Convert to fraction form
    1,050,139/1,575,291.30 = 517,369.36/x
  3. Step 3: Cross multiply
    1,050,139x = 1,575,291.30 × 517,369.36
  4. Step 4: Simplify right side
    1,050,139x = 815,007,451,694.57
  5. Step 5: Solve for x
    x = 815,007,451,694.57/1,050,139
  6. Step 6: Final answer
    x = 776,094.83

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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.