Home / 999,880.26-1,500,045.41-316,808.20

Finding the Fourth Proportional to 999,880.26, 1,500,045.41 and 316,808.20

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Solution

The fourth proportional to 999,880.26, 1,500,045.41 and 316,808.20 is: 475,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,880.26 : 1,500,045.41 = 316,808.20 : x
  2. Step 2: Convert to fraction form
    999,880.26/1,500,045.41 = 316,808.20/x
  3. Step 3: Cross multiply
    999,880.26x = 1,500,045.41 × 316,808.20
  4. Step 4: Simplify right side
    999,880.26x = 475,226,686,260.36
  5. Step 5: Solve for x
    x = 475,226,686,260.36/999,880.26
  6. Step 6: Final answer
    x = 475,283.60

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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.