Home / 1,158,043.70-1,736,287.95-618,389.30

Finding the Fourth Proportional to 1,158,043.70, 1,736,287.95 and 618,389.30

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Solution

The fourth proportional to 1,158,043.70, 1,736,287.95 and 618,389.30 is: 927,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,043.70 : 1,736,287.95 = 618,389.30 : x
  2. Step 2: Convert to fraction form
    1,158,043.70/1,736,287.95 = 618,389.30/x
  3. Step 3: Cross multiply
    1,158,043.70x = 1,736,287.95 × 618,389.30
  4. Step 4: Simplify right side
    1,158,043.70x = 1,073,701,889,998.94
  5. Step 5: Solve for x
    x = 1,073,701,889,998.94/1,158,043.70
  6. Step 6: Final answer
    x = 927,168.72

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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.