Home / 1,642,637.01-2,266,815.18-917,495.04

Finding the Fourth Proportional to 1,642,637.01, 2,266,815.18 and 917,495.04

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Solution

The fourth proportional to 1,642,637.01, 2,266,815.18 and 917,495.04 is: 1,266,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,637.01 : 2,266,815.18 = 917,495.04 : x
  2. Step 2: Convert to fraction form
    1,642,637.01/2,266,815.18 = 917,495.04/x
  3. Step 3: Cross multiply
    1,642,637.01x = 2,266,815.18 × 917,495.04
  4. Step 4: Simplify right side
    1,642,637.01x = 2,079,791,684,246.71
  5. Step 5: Solve for x
    x = 2,079,791,684,246.71/1,642,637.01
  6. Step 6: Final answer
    x = 1,266,129.81

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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.