Home / 1,127,059.80-1,555,502.02-697,478.32

Finding the Fourth Proportional to 1,127,059.80, 1,555,502.02 and 697,478.32

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Solution

The fourth proportional to 1,127,059.80, 1,555,502.02 and 697,478.32 is: 962,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,059.80 : 1,555,502.02 = 697,478.32 : x
  2. Step 2: Convert to fraction form
    1,127,059.80/1,555,502.02 = 697,478.32/x
  3. Step 3: Cross multiply
    1,127,059.80x = 1,555,502.02 × 697,478.32
  4. Step 4: Simplify right side
    1,127,059.80x = 1,084,928,935,666.21
  5. Step 5: Solve for x
    x = 1,084,928,935,666.21/1,127,059.80
  6. Step 6: Final answer
    x = 962,618.79

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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.