Home / 1,346,630.40-2,018,525.87-447,831.72

Finding the Fourth Proportional to 1,346,630.40, 2,018,525.87 and 447,831.72

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Solution

The fourth proportional to 1,346,630.40, 2,018,525.87 and 447,831.72 is: 671,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,630.40 : 2,018,525.87 = 447,831.72 : x
  2. Step 2: Convert to fraction form
    1,346,630.40/2,018,525.87 = 447,831.72/x
  3. Step 3: Cross multiply
    1,346,630.40x = 2,018,525.87 × 447,831.72
  4. Step 4: Simplify right side
    1,346,630.40x = 903,959,913,346.18
  5. Step 5: Solve for x
    x = 903,959,913,346.18/1,346,630.40
  6. Step 6: Final answer
    x = 671,275.44

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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.