Home / 1,031,897.40-1,547,846.10-990,563.10

Finding the Fourth Proportional to 1,031,897.40, 1,547,846.10 and 990,563.10

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Solution

The fourth proportional to 1,031,897.40, 1,547,846.10 and 990,563.10 is: 1,485,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,897.40 : 1,547,846.10 = 990,563.10 : x
  2. Step 2: Convert to fraction form
    1,031,897.40/1,547,846.10 = 990,563.10/x
  3. Step 3: Cross multiply
    1,031,897.40x = 1,547,846.10 × 990,563.10
  4. Step 4: Simplify right side
    1,031,897.40x = 1,533,239,231,138.91
  5. Step 5: Solve for x
    x = 1,533,239,231,138.91/1,031,897.40
  6. Step 6: Final answer
    x = 1,485,844.65

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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.