Home / 1,346,054.64-2,018,645.28-447,255.12

Finding the Fourth Proportional to 1,346,054.64, 2,018,645.28 and 447,255.12

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Solution

The fourth proportional to 1,346,054.64, 2,018,645.28 and 447,255.12 is: 670,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,054.64 : 2,018,645.28 = 447,255.12 : x
  2. Step 2: Convert to fraction form
    1,346,054.64/2,018,645.28 = 447,255.12/x
  3. Step 3: Cross multiply
    1,346,054.64x = 2,018,645.28 × 447,255.12
  4. Step 4: Simplify right side
    1,346,054.64x = 902,849,436,943.83
  5. Step 5: Solve for x
    x = 902,849,436,943.83/1,346,054.64
  6. Step 6: Final answer
    x = 670,737.58

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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.