Home / 1,210,624.83-1,670,538.63-745,404.84

Finding the Fourth Proportional to 1,210,624.83, 1,670,538.63 and 745,404.84

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Solution

The fourth proportional to 1,210,624.83, 1,670,538.63 and 745,404.84 is: 1,028,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,624.83 : 1,670,538.63 = 745,404.84 : x
  2. Step 2: Convert to fraction form
    1,210,624.83/1,670,538.63 = 745,404.84/x
  3. Step 3: Cross multiply
    1,210,624.83x = 1,670,538.63 × 745,404.84
  4. Step 4: Simplify right side
    1,210,624.83x = 1,245,227,580,208.97
  5. Step 5: Solve for x
    x = 1,245,227,580,208.97/1,210,624.83
  6. Step 6: Final answer
    x = 1,028,582.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.