Home / 1,276,964.80-1,762,190.40-704,058.28

Finding the Fourth Proportional to 1,276,964.80, 1,762,190.40 and 704,058.28

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Solution

The fourth proportional to 1,276,964.80, 1,762,190.40 and 704,058.28 is: 971,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,964.80 : 1,762,190.40 = 704,058.28 : x
  2. Step 2: Convert to fraction form
    1,276,964.80/1,762,190.40 = 704,058.28/x
  3. Step 3: Cross multiply
    1,276,964.80x = 1,762,190.40 × 704,058.28
  4. Step 4: Simplify right side
    1,276,964.80x = 1,240,684,742,056.51
  5. Step 5: Solve for x
    x = 1,240,684,742,056.51/1,276,964.80
  6. Step 6: Final answer
    x = 971,588.83

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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.