Home / 1,210,763.36-1,815,299.40-536,478.50

Finding the Fourth Proportional to 1,210,763.36, 1,815,299.40 and 536,478.50

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Solution

The fourth proportional to 1,210,763.36, 1,815,299.40 and 536,478.50 is: 804,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,763.36 : 1,815,299.40 = 536,478.50 : x
  2. Step 2: Convert to fraction form
    1,210,763.36/1,815,299.40 = 536,478.50/x
  3. Step 3: Cross multiply
    1,210,763.36x = 1,815,299.40 × 536,478.50
  4. Step 4: Simplify right side
    1,210,763.36x = 973,869,099,162.90
  5. Step 5: Solve for x
    x = 973,869,099,162.90/1,210,763.36
  6. Step 6: Final answer
    x = 804,343.05

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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.