Home / 1,500,235.74-2,070,338.24-855,688.58

Finding the Fourth Proportional to 1,500,235.74, 2,070,338.24 and 855,688.58

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Solution

The fourth proportional to 1,500,235.74, 2,070,338.24 and 855,688.58 is: 1,180,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,235.74 : 2,070,338.24 = 855,688.58 : x
  2. Step 2: Convert to fraction form
    1,500,235.74/2,070,338.24 = 855,688.58/x
  3. Step 3: Cross multiply
    1,500,235.74x = 2,070,338.24 × 855,688.58
  4. Step 4: Simplify right side
    1,500,235.74x = 1,771,564,788,705.30
  5. Step 5: Solve for x
    x = 1,771,564,788,705.30/1,500,235.74
  6. Step 6: Final answer
    x = 1,180,857.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.