Home / 1,411,421.88-2,117,128.50-569,963.64

Finding the Fourth Proportional to 1,411,421.88, 2,117,128.50 and 569,963.64

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Solution

The fourth proportional to 1,411,421.88, 2,117,128.50 and 569,963.64 is: 854,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,421.88 : 2,117,128.50 = 569,963.64 : x
  2. Step 2: Convert to fraction form
    1,411,421.88/2,117,128.50 = 569,963.64/x
  3. Step 3: Cross multiply
    1,411,421.88x = 2,117,128.50 × 569,963.64
  4. Step 4: Simplify right side
    1,411,421.88x = 1,206,686,266,207.74
  5. Step 5: Solve for x
    x = 1,206,686,266,207.74/1,411,421.88
  6. Step 6: Final answer
    x = 854,943.72

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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.