Home / 1,139,012.85-1,708,534.41-340,110.93

Finding the Fourth Proportional to 1,139,012.85, 1,708,534.41 and 340,110.93

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Solution

The fourth proportional to 1,139,012.85, 1,708,534.41 and 340,110.93 is: 510,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,012.85 : 1,708,534.41 = 340,110.93 : x
  2. Step 2: Convert to fraction form
    1,139,012.85/1,708,534.41 = 340,110.93/x
  3. Step 3: Cross multiply
    1,139,012.85x = 1,708,534.41 × 340,110.93
  4. Step 4: Simplify right side
    1,139,012.85x = 581,091,227,122.10
  5. Step 5: Solve for x
    x = 581,091,227,122.10/1,139,012.85
  6. Step 6: Final answer
    x = 510,170.91

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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.