Home / 1,242,050.10-1,863,075.15-443,357.70

Finding the Fourth Proportional to 1,242,050.10, 1,863,075.15 and 443,357.70

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Solution

The fourth proportional to 1,242,050.10, 1,863,075.15 and 443,357.70 is: 665,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,050.10 : 1,863,075.15 = 443,357.70 : x
  2. Step 2: Convert to fraction form
    1,242,050.10/1,863,075.15 = 443,357.70/x
  3. Step 3: Cross multiply
    1,242,050.10x = 1,863,075.15 × 443,357.70
  4. Step 4: Simplify right side
    1,242,050.10x = 826,008,713,431.16
  5. Step 5: Solve for x
    x = 826,008,713,431.16/1,242,050.10
  6. Step 6: Final answer
    x = 665,036.55

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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.