Home / 1,031,689.20-1,547,533.80-976,576.80

Finding the Fourth Proportional to 1,031,689.20, 1,547,533.80 and 976,576.80

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Solution

The fourth proportional to 1,031,689.20, 1,547,533.80 and 976,576.80 is: 1,464,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,689.20 : 1,547,533.80 = 976,576.80 : x
  2. Step 2: Convert to fraction form
    1,031,689.20/1,547,533.80 = 976,576.80/x
  3. Step 3: Cross multiply
    1,031,689.20x = 1,547,533.80 × 976,576.80
  4. Step 4: Simplify right side
    1,031,689.20x = 1,511,285,606,295.84
  5. Step 5: Solve for x
    x = 1,511,285,606,295.84/1,031,689.20
  6. Step 6: Final answer
    x = 1,464,865.20

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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.