Home / 1,031,015.84-1,547,655.08-819,145.67

Finding the Fourth Proportional to 1,031,015.84, 1,547,655.08 and 819,145.67

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Solution

The fourth proportional to 1,031,015.84, 1,547,655.08 and 819,145.67 is: 1,229,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,015.84 : 1,547,655.08 = 819,145.67 : x
  2. Step 2: Convert to fraction form
    1,031,015.84/1,547,655.08 = 819,145.67/x
  3. Step 3: Cross multiply
    1,031,015.84x = 1,547,655.08 × 819,145.67
  4. Step 4: Simplify right side
    1,031,015.84x = 1,267,754,945,601.50
  5. Step 5: Solve for x
    x = 1,267,754,945,601.50/1,031,015.84
  6. Step 6: Final answer
    x = 1,229,617.34

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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.