Home / 1,345,710.18-2,018,555.61-492,840.30

Finding the Fourth Proportional to 1,345,710.18, 2,018,555.61 and 492,840.30

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Solution

The fourth proportional to 1,345,710.18, 2,018,555.61 and 492,840.30 is: 739,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,710.18 : 2,018,555.61 = 492,840.30 : x
  2. Step 2: Convert to fraction form
    1,345,710.18/2,018,555.61 = 492,840.30/x
  3. Step 3: Cross multiply
    1,345,710.18x = 2,018,555.61 × 492,840.30
  4. Step 4: Simplify right side
    1,345,710.18x = 994,825,552,399.08
  5. Step 5: Solve for x
    x = 994,825,552,399.08/1,345,710.18
  6. Step 6: Final answer
    x = 739,256.91

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Double scale
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1.5x scale

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.