Home / 1,003,029.87-1,386,011.21-730,622.01

Finding the Fourth Proportional to 1,003,029.87, 1,386,011.21 and 730,622.01

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Solution

The fourth proportional to 1,003,029.87, 1,386,011.21 and 730,622.01 is: 1,009,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,029.87 : 1,386,011.21 = 730,622.01 : x
  2. Step 2: Convert to fraction form
    1,003,029.87/1,386,011.21 = 730,622.01/x
  3. Step 3: Cross multiply
    1,003,029.87x = 1,386,011.21 × 730,622.01
  4. Step 4: Simplify right side
    1,003,029.87x = 1,012,650,292,479.62
  5. Step 5: Solve for x
    x = 1,012,650,292,479.62/1,003,029.87
  6. Step 6: Final answer
    x = 1,009,591.36

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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.