Home / 1,209,799.10-1,815,281.85-854,047.10

Finding the Fourth Proportional to 1,209,799.10, 1,815,281.85 and 854,047.10

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Solution

The fourth proportional to 1,209,799.10, 1,815,281.85 and 854,047.10 is: 1,281,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,799.10 : 1,815,281.85 = 854,047.10 : x
  2. Step 2: Convert to fraction form
    1,209,799.10/1,815,281.85 = 854,047.10/x
  3. Step 3: Cross multiply
    1,209,799.10x = 1,815,281.85 × 854,047.10
  4. Step 4: Simplify right side
    1,209,799.10x = 1,550,336,199,675.14
  5. Step 5: Solve for x
    x = 1,550,336,199,675.14/1,209,799.10
  6. Step 6: Final answer
    x = 1,281,482.35

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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.