Home / 1,345,552.40-2,018,425.80-447,618.80

Finding the Fourth Proportional to 1,345,552.40, 2,018,425.80 and 447,618.80

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Solution

The fourth proportional to 1,345,552.40, 2,018,425.80 and 447,618.80 is: 671,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,552.40 : 2,018,425.80 = 447,618.80 : x
  2. Step 2: Convert to fraction form
    1,345,552.40/2,018,425.80 = 447,618.80/x
  3. Step 3: Cross multiply
    1,345,552.40x = 2,018,425.80 × 447,618.80
  4. Step 4: Simplify right side
    1,345,552.40x = 903,485,334,485.04
  5. Step 5: Solve for x
    x = 903,485,334,485.04/1,345,552.40
  6. Step 6: Final answer
    x = 671,460.54

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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.