Home / 1,210,432.15-1,815,887.45-357,518.62

Finding the Fourth Proportional to 1,210,432.15, 1,815,887.45 and 357,518.62

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Solution

The fourth proportional to 1,210,432.15, 1,815,887.45 and 357,518.62 is: 536,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,432.15 : 1,815,887.45 = 357,518.62 : x
  2. Step 2: Convert to fraction form
    1,210,432.15/1,815,887.45 = 357,518.62/x
  3. Step 3: Cross multiply
    1,210,432.15x = 1,815,887.45 × 357,518.62
  4. Step 4: Simplify right side
    1,210,432.15x = 649,213,575,199.32
  5. Step 5: Solve for x
    x = 649,213,575,199.32/1,210,432.15
  6. Step 6: Final answer
    x = 536,348.59

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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.