Home / 1,210,059.72-1,669,818.96-666,089.26

Finding the Fourth Proportional to 1,210,059.72, 1,669,818.96 and 666,089.26

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Solution

The fourth proportional to 1,210,059.72, 1,669,818.96 and 666,089.26 is: 919,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,059.72 : 1,669,818.96 = 666,089.26 : x
  2. Step 2: Convert to fraction form
    1,210,059.72/1,669,818.96 = 666,089.26/x
  3. Step 3: Cross multiply
    1,210,059.72x = 1,669,818.96 × 666,089.26
  4. Step 4: Simplify right side
    1,210,059.72x = 1,112,248,471,225.82
  5. Step 5: Solve for x
    x = 1,112,248,471,225.82/1,210,059.72
  6. Step 6: Final answer
    x = 919,168.25

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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.