Home / 1,298,595.36-1,792,239.60-747,299.72

Finding the Fourth Proportional to 1,298,595.36, 1,792,239.60 and 747,299.72

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Solution

The fourth proportional to 1,298,595.36, 1,792,239.60 and 747,299.72 is: 1,031,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,595.36 : 1,792,239.60 = 747,299.72 : x
  2. Step 2: Convert to fraction form
    1,298,595.36/1,792,239.60 = 747,299.72/x
  3. Step 3: Cross multiply
    1,298,595.36x = 1,792,239.60 × 747,299.72
  4. Step 4: Simplify right side
    1,298,595.36x = 1,339,340,151,252.91
  5. Step 5: Solve for x
    x = 1,339,340,151,252.91/1,298,595.36
  6. Step 6: Final answer
    x = 1,031,376.05

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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.