Home / 1,426,412.40-2,139,100.20-716,204.40

Finding the Fourth Proportional to 1,426,412.40, 2,139,100.20 and 716,204.40

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Solution

The fourth proportional to 1,426,412.40, 2,139,100.20 and 716,204.40 is: 1,074,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,412.40 : 2,139,100.20 = 716,204.40 : x
  2. Step 2: Convert to fraction form
    1,426,412.40/2,139,100.20 = 716,204.40/x
  3. Step 3: Cross multiply
    1,426,412.40x = 2,139,100.20 × 716,204.40
  4. Step 4: Simplify right side
    1,426,412.40x = 1,532,032,975,280.88
  5. Step 5: Solve for x
    x = 1,532,032,975,280.88/1,426,412.40
  6. Step 6: Final answer
    x = 1,074,046.31

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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.