Home / 1,090,257.18-1,635,400.17-342,303.18

Finding the Fourth Proportional to 1,090,257.18, 1,635,400.17 and 342,303.18

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Solution

The fourth proportional to 1,090,257.18, 1,635,400.17 and 342,303.18 is: 513,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,257.18 : 1,635,400.17 = 342,303.18 : x
  2. Step 2: Convert to fraction form
    1,090,257.18/1,635,400.17 = 342,303.18/x
  3. Step 3: Cross multiply
    1,090,257.18x = 1,635,400.17 × 342,303.18
  4. Step 4: Simplify right side
    1,090,257.18x = 559,802,678,763.54
  5. Step 5: Solve for x
    x = 559,802,678,763.54/1,090,257.18
  6. Step 6: Final answer
    x = 513,459.29

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Double scale
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1.5x scale

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.