Home / 926,807.40-1,392,284.70-889,021.80

Finding the Fourth Proportional to 926,807.40, 1,392,284.70 and 889,021.80

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Solution

The fourth proportional to 926,807.40, 1,392,284.70 and 889,021.80 is: 1,335,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,807.40 : 1,392,284.70 = 889,021.80 : x
  2. Step 2: Convert to fraction form
    926,807.40/1,392,284.70 = 889,021.80/x
  3. Step 3: Cross multiply
    926,807.40x = 1,392,284.70 × 889,021.80
  4. Step 4: Simplify right side
    926,807.40x = 1,237,771,450,106.46
  5. Step 5: Solve for x
    x = 1,237,771,450,106.46/926,807.40
  6. Step 6: Final answer
    x = 1,335,521.76

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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.