Home / 1,230,185.10-1,845,277.65-388,994.70

Finding the Fourth Proportional to 1,230,185.10, 1,845,277.65 and 388,994.70

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Solution

The fourth proportional to 1,230,185.10, 1,845,277.65 and 388,994.70 is: 583,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,185.10 : 1,845,277.65 = 388,994.70 : x
  2. Step 2: Convert to fraction form
    1,230,185.10/1,845,277.65 = 388,994.70/x
  3. Step 3: Cross multiply
    1,230,185.10x = 1,845,277.65 × 388,994.70
  4. Step 4: Simplify right side
    1,230,185.10x = 717,803,225,878.46
  5. Step 5: Solve for x
    x = 717,803,225,878.46/1,230,185.10
  6. Step 6: Final answer
    x = 583,492.05

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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.