Home / 1,210,404.63-1,815,657.06-357,476.45

Finding the Fourth Proportional to 1,210,404.63, 1,815,657.06 and 357,476.45

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Solution

The fourth proportional to 1,210,404.63, 1,815,657.06 and 357,476.45 is: 536,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,404.63 : 1,815,657.06 = 357,476.45 : x
  2. Step 2: Convert to fraction form
    1,210,404.63/1,815,657.06 = 357,476.45/x
  3. Step 3: Cross multiply
    1,210,404.63x = 1,815,657.06 × 357,476.45
  4. Step 4: Simplify right side
    1,210,404.63x = 649,054,631,147.95
  5. Step 5: Solve for x
    x = 649,054,631,147.95/1,210,404.63
  6. Step 6: Final answer
    x = 536,229.47

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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.