Home / 1,240,360.39-1,860,208.48-341,588.53

Finding the Fourth Proportional to 1,240,360.39, 1,860,208.48 and 341,588.53

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Solution

The fourth proportional to 1,240,360.39, 1,860,208.48 and 341,588.53 is: 512,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,360.39 : 1,860,208.48 = 341,588.53 : x
  2. Step 2: Convert to fraction form
    1,240,360.39/1,860,208.48 = 341,588.53/x
  3. Step 3: Cross multiply
    1,240,360.39x = 1,860,208.48 × 341,588.53
  4. Step 4: Simplify right side
    1,240,360.39x = 635,425,880,176.74
  5. Step 5: Solve for x
    x = 635,425,880,176.74/1,240,360.39
  6. Step 6: Final answer
    x = 512,291.34

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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.