Home / 1,127,430.31-1,691,384.58-369,215.74

Finding the Fourth Proportional to 1,127,430.31, 1,691,384.58 and 369,215.74

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Solution

The fourth proportional to 1,127,430.31, 1,691,384.58 and 369,215.74 is: 553,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,430.31 : 1,691,384.58 = 369,215.74 : x
  2. Step 2: Convert to fraction form
    1,127,430.31/1,691,384.58 = 369,215.74/x
  3. Step 3: Cross multiply
    1,127,430.31x = 1,691,384.58 × 369,215.74
  4. Step 4: Simplify right side
    1,127,430.31x = 624,485,809,329.29
  5. Step 5: Solve for x
    x = 624,485,809,329.29/1,127,430.31
  6. Step 6: Final answer
    x = 553,901.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.