Home / 1,005,153.47-1,507,745.81-322,168.76

Finding the Fourth Proportional to 1,005,153.47, 1,507,745.81 and 322,168.76

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Solution

The fourth proportional to 1,005,153.47, 1,507,745.81 and 322,168.76 is: 483,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,153.47 : 1,507,745.81 = 322,168.76 : x
  2. Step 2: Convert to fraction form
    1,005,153.47/1,507,745.81 = 322,168.76/x
  3. Step 3: Cross multiply
    1,005,153.47x = 1,507,745.81 × 322,168.76
  4. Step 4: Simplify right side
    1,005,153.47x = 485,748,588,853.32
  5. Step 5: Solve for x
    x = 485,748,588,853.32/1,005,153.47
  6. Step 6: Final answer
    x = 483,258.13

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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.