Home / 1,127,058.80-1,555,500.64-697,477.32

Finding the Fourth Proportional to 1,127,058.80, 1,555,500.64 and 697,477.32

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Solution

The fourth proportional to 1,127,058.80, 1,555,500.64 and 697,477.32 is: 962,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,058.80 : 1,555,500.64 = 697,477.32 : x
  2. Step 2: Convert to fraction form
    1,127,058.80/1,555,500.64 = 697,477.32/x
  3. Step 3: Cross multiply
    1,127,058.80x = 1,555,500.64 × 697,477.32
  4. Step 4: Simplify right side
    1,127,058.80x = 1,084,926,417,645.48
  5. Step 5: Solve for x
    x = 1,084,926,417,645.48/1,127,058.80
  6. Step 6: Final answer
    x = 962,617.41

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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.