Home / 1,303,780.10-1,955,797.12-404,980.20

Finding the Fourth Proportional to 1,303,780.10, 1,955,797.12 and 404,980.20

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Solution

The fourth proportional to 1,303,780.10, 1,955,797.12 and 404,980.20 is: 607,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,780.10 : 1,955,797.12 = 404,980.20 : x
  2. Step 2: Convert to fraction form
    1,303,780.10/1,955,797.12 = 404,980.20/x
  3. Step 3: Cross multiply
    1,303,780.10x = 1,955,797.12 × 404,980.20
  4. Step 4: Simplify right side
    1,303,780.10x = 792,059,108,817.02
  5. Step 5: Solve for x
    x = 792,059,108,817.02/1,303,780.10
  6. Step 6: Final answer
    x = 607,509.74

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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.