Home / 1,091,395.88-1,506,103.62-607,960.36

Finding the Fourth Proportional to 1,091,395.88, 1,506,103.62 and 607,960.36

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Solution

The fourth proportional to 1,091,395.88, 1,506,103.62 and 607,960.36 is: 838,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,395.88 : 1,506,103.62 = 607,960.36 : x
  2. Step 2: Convert to fraction form
    1,091,395.88/1,506,103.62 = 607,960.36/x
  3. Step 3: Cross multiply
    1,091,395.88x = 1,506,103.62 × 607,960.36
  4. Step 4: Simplify right side
    1,091,395.88x = 915,651,299,012.50
  5. Step 5: Solve for x
    x = 915,651,299,012.50/1,091,395.88
  6. Step 6: Final answer
    x = 838,972.65

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Double scale
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1.5x scale

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.