Home / 1,145,807.36-1,718,798.52-347,155.05

Finding the Fourth Proportional to 1,145,807.36, 1,718,798.52 and 347,155.05

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Solution

The fourth proportional to 1,145,807.36, 1,718,798.52 and 347,155.05 is: 520,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,807.36 : 1,718,798.52 = 347,155.05 : x
  2. Step 2: Convert to fraction form
    1,145,807.36/1,718,798.52 = 347,155.05/x
  3. Step 3: Cross multiply
    1,145,807.36x = 1,718,798.52 × 347,155.05
  4. Step 4: Simplify right side
    1,145,807.36x = 596,689,586,150.53
  5. Step 5: Solve for x
    x = 596,689,586,150.53/1,145,807.36
  6. Step 6: Final answer
    x = 520,759.08

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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.