Home / 1,246,690.98-1,720,701.03-787,513.50

Finding the Fourth Proportional to 1,246,690.98, 1,720,701.03 and 787,513.50

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Solution

The fourth proportional to 1,246,690.98, 1,720,701.03 and 787,513.50 is: 1,086,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,690.98 : 1,720,701.03 = 787,513.50 : x
  2. Step 2: Convert to fraction form
    1,246,690.98/1,720,701.03 = 787,513.50/x
  3. Step 3: Cross multiply
    1,246,690.98x = 1,720,701.03 × 787,513.50
  4. Step 4: Simplify right side
    1,246,690.98x = 1,355,075,290,588.91
  5. Step 5: Solve for x
    x = 1,355,075,290,588.91/1,246,690.98
  6. Step 6: Final answer
    x = 1,086,937.59

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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.