Home / 1,127,281.62-1,691,130.06-369,165.36

Finding the Fourth Proportional to 1,127,281.62, 1,691,130.06 and 369,165.36

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Solution

The fourth proportional to 1,127,281.62, 1,691,130.06 and 369,165.36 is: 553,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,281.62 : 1,691,130.06 = 369,165.36 : x
  2. Step 2: Convert to fraction form
    1,127,281.62/1,691,130.06 = 369,165.36/x
  3. Step 3: Cross multiply
    1,127,281.62x = 1,691,130.06 × 369,165.36
  4. Step 4: Simplify right side
    1,127,281.62x = 624,306,637,406.72
  5. Step 5: Solve for x
    x = 624,306,637,406.72/1,127,281.62
  6. Step 6: Final answer
    x = 553,816.04

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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.