Home / 1,284,000.10-1,926,000.15-910,752.10

Finding the Fourth Proportional to 1,284,000.10, 1,926,000.15 and 910,752.10

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Solution

The fourth proportional to 1,284,000.10, 1,926,000.15 and 910,752.10 is: 1,366,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,000.10 : 1,926,000.15 = 910,752.10 : x
  2. Step 2: Convert to fraction form
    1,284,000.10/1,926,000.15 = 910,752.10/x
  3. Step 3: Cross multiply
    1,284,000.10x = 1,926,000.15 × 910,752.10
  4. Step 4: Simplify right side
    1,284,000.10x = 1,754,108,681,212.82
  5. Step 5: Solve for x
    x = 1,754,108,681,212.82/1,284,000.10
  6. Step 6: Final answer
    x = 1,366,128.15

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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.