Home / 1,298,630.49-1,792,075.68-725,675.37

Finding the Fourth Proportional to 1,298,630.49, 1,792,075.68 and 725,675.37

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Solution

The fourth proportional to 1,298,630.49, 1,792,075.68 and 725,675.37 is: 1,001,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,630.49 : 1,792,075.68 = 725,675.37 : x
  2. Step 2: Convert to fraction form
    1,298,630.49/1,792,075.68 = 725,675.37/x
  3. Step 3: Cross multiply
    1,298,630.49x = 1,792,075.68 × 725,675.37
  4. Step 4: Simplify right side
    1,298,630.49x = 1,300,465,182,152.00
  5. Step 5: Solve for x
    x = 1,300,465,182,152.00/1,298,630.49
  6. Step 6: Final answer
    x = 1,001,412.79

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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.