Home / 977,431.51-1,472,806.44-803,827.45

Finding the Fourth Proportional to 977,431.51, 1,472,806.44 and 803,827.45

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Solution

The fourth proportional to 977,431.51, 1,472,806.44 and 803,827.45 is: 1,211,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,431.51 : 1,472,806.44 = 803,827.45 : x
  2. Step 2: Convert to fraction form
    977,431.51/1,472,806.44 = 803,827.45/x
  3. Step 3: Cross multiply
    977,431.51x = 1,472,806.44 × 803,827.45
  4. Step 4: Simplify right side
    977,431.51x = 1,183,882,245,008.78
  5. Step 5: Solve for x
    x = 1,183,882,245,008.78/977,431.51
  6. Step 6: Final answer
    x = 1,211,217.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.