Home / 1,069,322.03-1,475,664.18-639,703.16

Finding the Fourth Proportional to 1,069,322.03, 1,475,664.18 and 639,703.16

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Solution

The fourth proportional to 1,069,322.03, 1,475,664.18 and 639,703.16 is: 882,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,322.03 : 1,475,664.18 = 639,703.16 : x
  2. Step 2: Convert to fraction form
    1,069,322.03/1,475,664.18 = 639,703.16/x
  3. Step 3: Cross multiply
    1,069,322.03x = 1,475,664.18 × 639,703.16
  4. Step 4: Simplify right side
    1,069,322.03x = 943,987,039,044.81
  5. Step 5: Solve for x
    x = 943,987,039,044.81/1,069,322.03
  6. Step 6: Final answer
    x = 882,790.23

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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.