Home / 947,807.16-1,415,657.91-857,710.20

Finding the Fourth Proportional to 947,807.16, 1,415,657.91 and 857,710.20

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Solution

The fourth proportional to 947,807.16, 1,415,657.91 and 857,710.20 is: 1,281,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,807.16 : 1,415,657.91 = 857,710.20 : x
  2. Step 2: Convert to fraction form
    947,807.16/1,415,657.91 = 857,710.20/x
  3. Step 3: Cross multiply
    947,807.16x = 1,415,657.91 × 857,710.20
  4. Step 4: Simplify right side
    947,807.16x = 1,214,224,229,117.68
  5. Step 5: Solve for x
    x = 1,214,224,229,117.68/947,807.16
  6. Step 6: Final answer
    x = 1,281,087.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.