Home / 1,218,674.65-1,681,750.41-674,798.73

Finding the Fourth Proportional to 1,218,674.65, 1,681,750.41 and 674,798.73

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Solution

The fourth proportional to 1,218,674.65, 1,681,750.41 and 674,798.73 is: 931,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,674.65 : 1,681,750.41 = 674,798.73 : x
  2. Step 2: Convert to fraction form
    1,218,674.65/1,681,750.41 = 674,798.73/x
  3. Step 3: Cross multiply
    1,218,674.65x = 1,681,750.41 × 674,798.73
  4. Step 4: Simplify right side
    1,218,674.65x = 1,134,843,045,263.51
  5. Step 5: Solve for x
    x = 1,134,843,045,263.51/1,218,674.65
  6. Step 6: Final answer
    x = 931,210.84

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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.