Home / 1,210,003.99-1,669,779.23-666,118.96

Finding the Fourth Proportional to 1,210,003.99, 1,669,779.23 and 666,118.96

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Solution

The fourth proportional to 1,210,003.99, 1,669,779.23 and 666,118.96 is: 919,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,003.99 : 1,669,779.23 = 666,118.96 : x
  2. Step 2: Convert to fraction form
    1,210,003.99/1,669,779.23 = 666,118.96/x
  3. Step 3: Cross multiply
    1,210,003.99x = 1,669,779.23 × 666,118.96
  4. Step 4: Simplify right side
    1,210,003.99x = 1,112,271,596,612.16
  5. Step 5: Solve for x
    x = 1,112,271,596,612.16/1,210,003.99
  6. Step 6: Final answer
    x = 919,229.70

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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.