Home / 1,213,389.21-1,674,463.93-669,547.92

Finding the Fourth Proportional to 1,213,389.21, 1,674,463.93 and 669,547.92

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Solution

The fourth proportional to 1,213,389.21, 1,674,463.93 and 669,547.92 is: 923,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,389.21 : 1,674,463.93 = 669,547.92 : x
  2. Step 2: Convert to fraction form
    1,213,389.21/1,674,463.93 = 669,547.92/x
  3. Step 3: Cross multiply
    1,213,389.21x = 1,674,463.93 × 669,547.92
  4. Step 4: Simplify right side
    1,213,389.21x = 1,121,133,841,446.53
  5. Step 5: Solve for x
    x = 1,121,133,841,446.53/1,213,389.21
  6. Step 6: Final answer
    x = 923,968.86

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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.