Home / 1,074,390.03-1,611,409.86-316,054.11

Finding the Fourth Proportional to 1,074,390.03, 1,611,409.86 and 316,054.11

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Solution

The fourth proportional to 1,074,390.03, 1,611,409.86 and 316,054.11 is: 474,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,390.03 : 1,611,409.86 = 316,054.11 : x
  2. Step 2: Convert to fraction form
    1,074,390.03/1,611,409.86 = 316,054.11/x
  3. Step 3: Cross multiply
    1,074,390.03x = 1,611,409.86 × 316,054.11
  4. Step 4: Simplify right side
    1,074,390.03x = 509,292,705,948.06
  5. Step 5: Solve for x
    x = 509,292,705,948.06/1,074,390.03
  6. Step 6: Final answer
    x = 474,029.63

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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.