Home / 1,070,189.77-1,605,313.87-312,012.91

Finding the Fourth Proportional to 1,070,189.77, 1,605,313.87 and 312,012.91

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Solution

The fourth proportional to 1,070,189.77, 1,605,313.87 and 312,012.91 is: 468,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,189.77 : 1,605,313.87 = 312,012.91 : x
  2. Step 2: Convert to fraction form
    1,070,189.77/1,605,313.87 = 312,012.91/x
  3. Step 3: Cross multiply
    1,070,189.77x = 1,605,313.87 × 312,012.91
  4. Step 4: Simplify right side
    1,070,189.77x = 500,878,652,042.06
  5. Step 5: Solve for x
    x = 500,878,652,042.06/1,070,189.77
  6. Step 6: Final answer
    x = 468,027.88

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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.