Home / 1,218,530.25-1,681,624.28-674,666.01

Finding the Fourth Proportional to 1,218,530.25, 1,681,624.28 and 674,666.01

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Solution

The fourth proportional to 1,218,530.25, 1,681,624.28 and 674,666.01 is: 931,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,530.25 : 1,681,624.28 = 674,666.01 : x
  2. Step 2: Convert to fraction form
    1,218,530.25/1,681,624.28 = 674,666.01/x
  3. Step 3: Cross multiply
    1,218,530.25x = 1,681,624.28 × 674,666.01
  4. Step 4: Simplify right side
    1,218,530.25x = 1,134,534,739,933.39
  5. Step 5: Solve for x
    x = 1,134,534,739,933.39/1,218,530.25
  6. Step 6: Final answer
    x = 931,068.18

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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.