Home / 1,415,217.06-1,953,000.18-770,637.24

Finding the Fourth Proportional to 1,415,217.06, 1,953,000.18 and 770,637.24

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Solution

The fourth proportional to 1,415,217.06, 1,953,000.18 and 770,637.24 is: 1,063,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,217.06 : 1,953,000.18 = 770,637.24 : x
  2. Step 2: Convert to fraction form
    1,415,217.06/1,953,000.18 = 770,637.24/x
  3. Step 3: Cross multiply
    1,415,217.06x = 1,953,000.18 × 770,637.24
  4. Step 4: Simplify right side
    1,415,217.06x = 1,505,054,668,434.70
  5. Step 5: Solve for x
    x = 1,505,054,668,434.70/1,415,217.06
  6. Step 6: Final answer
    x = 1,063,479.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.