Home / 1,239,743.04-1,710,962.48-723,455.21

Finding the Fourth Proportional to 1,239,743.04, 1,710,962.48 and 723,455.21

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Solution

The fourth proportional to 1,239,743.04, 1,710,962.48 and 723,455.21 is: 998,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,743.04 : 1,710,962.48 = 723,455.21 : x
  2. Step 2: Convert to fraction form
    1,239,743.04/1,710,962.48 = 723,455.21/x
  3. Step 3: Cross multiply
    1,239,743.04x = 1,710,962.48 × 723,455.21
  4. Step 4: Simplify right side
    1,239,743.04x = 1,237,804,713,524.35
  5. Step 5: Solve for x
    x = 1,237,804,713,524.35/1,239,743.04
  6. Step 6: Final answer
    x = 998,436.51

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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.