Home / 1,178,775.42-1,768,175.52-943,612.98

Finding the Fourth Proportional to 1,178,775.42, 1,768,175.52 and 943,612.98

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Solution

The fourth proportional to 1,178,775.42, 1,768,175.52 and 943,612.98 is: 1,415,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,775.42 : 1,768,175.52 = 943,612.98 : x
  2. Step 2: Convert to fraction form
    1,178,775.42/1,768,175.52 = 943,612.98/x
  3. Step 3: Cross multiply
    1,178,775.42x = 1,768,175.52 × 943,612.98
  4. Step 4: Simplify right side
    1,178,775.42x = 1,668,473,371,590.25
  5. Step 5: Solve for x
    x = 1,668,473,371,590.25/1,178,775.42
  6. Step 6: Final answer
    x = 1,415,429.39

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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.