Home / 1,009,051.77-1,392,502.31-550,162.59

Finding the Fourth Proportional to 1,009,051.77, 1,392,502.31 and 550,162.59

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Solution

The fourth proportional to 1,009,051.77, 1,392,502.31 and 550,162.59 is: 759,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,051.77 : 1,392,502.31 = 550,162.59 : x
  2. Step 2: Convert to fraction form
    1,009,051.77/1,392,502.31 = 550,162.59/x
  3. Step 3: Cross multiply
    1,009,051.77x = 1,392,502.31 × 550,162.59
  4. Step 4: Simplify right side
    1,009,051.77x = 766,102,677,450.58
  5. Step 5: Solve for x
    x = 766,102,677,450.58/1,009,051.77
  6. Step 6: Final answer
    x = 759,230.30

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Double scale
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1.5x scale

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.