Home / 1,218,093.14-1,680,582.08-708,697.10

Finding the Fourth Proportional to 1,218,093.14, 1,680,582.08 and 708,697.10

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Solution

The fourth proportional to 1,218,093.14, 1,680,582.08 and 708,697.10 is: 977,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,093.14 : 1,680,582.08 = 708,697.10 : x
  2. Step 2: Convert to fraction form
    1,218,093.14/1,680,582.08 = 708,697.10/x
  3. Step 3: Cross multiply
    1,218,093.14x = 1,680,582.08 × 708,697.10
  4. Step 4: Simplify right side
    1,218,093.14x = 1,191,023,652,381.17
  5. Step 5: Solve for x
    x = 1,191,023,652,381.17/1,218,093.14
  6. Step 6: Final answer
    x = 977,777.16

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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.