Home / 1,263,803.40-1,895,646.78-317,153.16

Finding the Fourth Proportional to 1,263,803.40, 1,895,646.78 and 317,153.16

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Solution

The fourth proportional to 1,263,803.40, 1,895,646.78 and 317,153.16 is: 475,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,803.40 : 1,895,646.78 = 317,153.16 : x
  2. Step 2: Convert to fraction form
    1,263,803.40/1,895,646.78 = 317,153.16/x
  3. Step 3: Cross multiply
    1,263,803.40x = 1,895,646.78 × 317,153.16
  4. Step 4: Simplify right side
    1,263,803.40x = 601,210,366,520.83
  5. Step 5: Solve for x
    x = 601,210,366,520.83/1,263,803.40
  6. Step 6: Final answer
    x = 475,715.10

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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.