Home / 1,210,239.83-1,815,556.77-357,397.74

Finding the Fourth Proportional to 1,210,239.83, 1,815,556.77 and 357,397.74

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Solution

The fourth proportional to 1,210,239.83, 1,815,556.77 and 357,397.74 is: 536,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,239.83 : 1,815,556.77 = 357,397.74 : x
  2. Step 2: Convert to fraction form
    1,210,239.83/1,815,556.77 = 357,397.74/x
  3. Step 3: Cross multiply
    1,210,239.83x = 1,815,556.77 × 357,397.74
  4. Step 4: Simplify right side
    1,210,239.83x = 648,875,877,824.18
  5. Step 5: Solve for x
    x = 648,875,877,824.18/1,210,239.83
  6. Step 6: Final answer
    x = 536,154.79

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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.