Home / 1,210,199.20-1,814,458.40-535,913.08

Finding the Fourth Proportional to 1,210,199.20, 1,814,458.40 and 535,913.08

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Solution

The fourth proportional to 1,210,199.20, 1,814,458.40 and 535,913.08 is: 803,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,199.20 : 1,814,458.40 = 535,913.08 : x
  2. Step 2: Convert to fraction form
    1,210,199.20/1,814,458.40 = 535,913.08/x
  3. Step 3: Cross multiply
    1,210,199.20x = 1,814,458.40 × 535,913.08
  4. Step 4: Simplify right side
    1,210,199.20x = 972,391,989,675.87
  5. Step 5: Solve for x
    x = 972,391,989,675.87/1,210,199.20
  6. Step 6: Final answer
    x = 803,497.47

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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.