Home / 1,637,642.90-2,259,917.06-912,475.01

Finding the Fourth Proportional to 1,637,642.90, 2,259,917.06 and 912,475.01

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Solution

The fourth proportional to 1,637,642.90, 2,259,917.06 and 912,475.01 is: 1,259,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,642.90 : 2,259,917.06 = 912,475.01 : x
  2. Step 2: Convert to fraction form
    1,637,642.90/2,259,917.06 = 912,475.01/x
  3. Step 3: Cross multiply
    1,637,642.90x = 2,259,917.06 × 912,475.01
  4. Step 4: Simplify right side
    1,637,642.90x = 2,062,117,849,853.65
  5. Step 5: Solve for x
    x = 2,062,117,849,853.65/1,637,642.90
  6. Step 6: Final answer
    x = 1,259,198.72

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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.