Home / 1,130,134.80-1,699,138.80-956,924.40

Finding the Fourth Proportional to 1,130,134.80, 1,699,138.80 and 956,924.40

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Solution

The fourth proportional to 1,130,134.80, 1,699,138.80 and 956,924.40 is: 1,438,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,134.80 : 1,699,138.80 = 956,924.40 : x
  2. Step 2: Convert to fraction form
    1,130,134.80/1,699,138.80 = 956,924.40/x
  3. Step 3: Cross multiply
    1,130,134.80x = 1,699,138.80 × 956,924.40
  4. Step 4: Simplify right side
    1,130,134.80x = 1,625,947,376,706.72
  5. Step 5: Solve for x
    x = 1,625,947,376,706.72/1,130,134.80
  6. Step 6: Final answer
    x = 1,438,719.86

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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.