Home / 1,319,297.48-1,820,634.01-715,685.48

Finding the Fourth Proportional to 1,319,297.48, 1,820,634.01 and 715,685.48

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Solution

The fourth proportional to 1,319,297.48, 1,820,634.01 and 715,685.48 is: 987,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,297.48 : 1,820,634.01 = 715,685.48 : x
  2. Step 2: Convert to fraction form
    1,319,297.48/1,820,634.01 = 715,685.48/x
  3. Step 3: Cross multiply
    1,319,297.48x = 1,820,634.01 × 715,685.48
  4. Step 4: Simplify right side
    1,319,297.48x = 1,303,001,316,248.00
  5. Step 5: Solve for x
    x = 1,303,001,316,248.00/1,319,297.48
  6. Step 6: Final answer
    x = 987,647.85

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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.