Home / 910,321.40-1,362,857.70-910,321.40

Finding the Fourth Proportional to 910,321.40, 1,362,857.70 and 910,321.40

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Solution

The fourth proportional to 910,321.40, 1,362,857.70 and 910,321.40 is: 1,362,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,321.40 : 1,362,857.70 = 910,321.40 : x
  2. Step 2: Convert to fraction form
    910,321.40/1,362,857.70 = 910,321.40/x
  3. Step 3: Cross multiply
    910,321.40x = 1,362,857.70 × 910,321.40
  4. Step 4: Simplify right side
    910,321.40x = 1,240,638,529,464.78
  5. Step 5: Solve for x
    x = 1,240,638,529,464.78/910,321.40
  6. Step 6: Final answer
    x = 1,362,857.70

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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.