Home / 1,009,300.74-1,392,943.05-617,063.85

Finding the Fourth Proportional to 1,009,300.74, 1,392,943.05 and 617,063.85

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Solution

The fourth proportional to 1,009,300.74, 1,392,943.05 and 617,063.85 is: 851,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,300.74 : 1,392,943.05 = 617,063.85 : x
  2. Step 2: Convert to fraction form
    1,009,300.74/1,392,943.05 = 617,063.85/x
  3. Step 3: Cross multiply
    1,009,300.74x = 1,392,943.05 × 617,063.85
  4. Step 4: Simplify right side
    1,009,300.74x = 859,534,801,263.74
  5. Step 5: Solve for x
    x = 859,534,801,263.74/1,009,300.74
  6. Step 6: Final answer
    x = 851,614.16

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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.