Home / 1,426,008.40-2,136,031.80-668,496.40

Finding the Fourth Proportional to 1,426,008.40, 2,136,031.80 and 668,496.40

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Solution

The fourth proportional to 1,426,008.40, 2,136,031.80 and 668,496.40 is: 1,001,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,008.40 : 2,136,031.80 = 668,496.40 : x
  2. Step 2: Convert to fraction form
    1,426,008.40/2,136,031.80 = 668,496.40/x
  3. Step 3: Cross multiply
    1,426,008.40x = 2,136,031.80 × 668,496.40
  4. Step 4: Simplify right side
    1,426,008.40x = 1,427,929,568,585.52
  5. Step 5: Solve for x
    x = 1,427,929,568,585.52/1,426,008.40
  6. Step 6: Final answer
    x = 1,001,347.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.