Home / 1,319,297.07-1,820,633.45-715,685.07

Finding the Fourth Proportional to 1,319,297.07, 1,820,633.45 and 715,685.07

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Solution

The fourth proportional to 1,319,297.07, 1,820,633.45 and 715,685.07 is: 987,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,297.07 : 1,820,633.45 = 715,685.07 : x
  2. Step 2: Convert to fraction form
    1,319,297.07/1,820,633.45 = 715,685.07/x
  3. Step 3: Cross multiply
    1,319,297.07x = 1,820,633.45 × 715,685.07
  4. Step 4: Simplify right side
    1,319,297.07x = 1,303,000,174,529.17
  5. Step 5: Solve for x
    x = 1,303,000,174,529.17/1,319,297.07
  6. Step 6: Final answer
    x = 987,647.29

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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.