Home / 1,248,701.40-1,872,840.83-349,936.30

Finding the Fourth Proportional to 1,248,701.40, 1,872,840.83 and 349,936.30

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Solution

The fourth proportional to 1,248,701.40, 1,872,840.83 and 349,936.30 is: 524,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,701.40 : 1,872,840.83 = 349,936.30 : x
  2. Step 2: Convert to fraction form
    1,248,701.40/1,872,840.83 = 349,936.30/x
  3. Step 3: Cross multiply
    1,248,701.40x = 1,872,840.83 × 349,936.30
  4. Step 4: Simplify right side
    1,248,701.40x = 655,374,991,130.50
  5. Step 5: Solve for x
    x = 655,374,991,130.50/1,248,701.40
  6. Step 6: Final answer
    x = 524,845.24

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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.