Home / 1,298,544.68-1,792,000.50-725,609

Finding the Fourth Proportional to 1,298,544.68, 1,792,000.50 and 725,609

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Solution

The fourth proportional to 1,298,544.68, 1,792,000.50 and 725,609 is: 1,001,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,544.68 : 1,792,000.50 = 725,609 : x
  2. Step 2: Convert to fraction form
    1,298,544.68/1,792,000.50 = 725,609/x
  3. Step 3: Cross multiply
    1,298,544.68x = 1,792,000.50 × 725,609
  4. Step 4: Simplify right side
    1,298,544.68x = 1,300,291,690,804.50
  5. Step 5: Solve for x
    x = 1,300,291,690,804.50/1,298,544.68
  6. Step 6: Final answer
    x = 1,001,345.36

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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.