Home / 1,393,345.80-2,090,018.70-446,812.20

Finding the Fourth Proportional to 1,393,345.80, 2,090,018.70 and 446,812.20

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Solution

The fourth proportional to 1,393,345.80, 2,090,018.70 and 446,812.20 is: 670,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,345.80 : 2,090,018.70 = 446,812.20 : x
  2. Step 2: Convert to fraction form
    1,393,345.80/2,090,018.70 = 446,812.20/x
  3. Step 3: Cross multiply
    1,393,345.80x = 2,090,018.70 × 446,812.20
  4. Step 4: Simplify right side
    1,393,345.80x = 933,845,853,388.14
  5. Step 5: Solve for x
    x = 933,845,853,388.14/1,393,345.80
  6. Step 6: Final answer
    x = 670,218.30

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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.