Home / 1,173,443.12-1,759,880.16-320,518.76

Finding the Fourth Proportional to 1,173,443.12, 1,759,880.16 and 320,518.76

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Solution

The fourth proportional to 1,173,443.12, 1,759,880.16 and 320,518.76 is: 480,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,443.12 : 1,759,880.16 = 320,518.76 : x
  2. Step 2: Convert to fraction form
    1,173,443.12/1,759,880.16 = 320,518.76/x
  3. Step 3: Cross multiply
    1,173,443.12x = 1,759,880.16 × 320,518.76
  4. Step 4: Simplify right side
    1,173,443.12x = 564,074,606,631.80
  5. Step 5: Solve for x
    x = 564,074,606,631.80/1,173,443.12
  6. Step 6: Final answer
    x = 480,700.43

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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.