Home / 1,031,123.88-1,544,855.76-430,763.76

Finding the Fourth Proportional to 1,031,123.88, 1,544,855.76 and 430,763.76

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Solution

The fourth proportional to 1,031,123.88, 1,544,855.76 and 430,763.76 is: 645,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,123.88 : 1,544,855.76 = 430,763.76 : x
  2. Step 2: Convert to fraction form
    1,031,123.88/1,544,855.76 = 430,763.76/x
  3. Step 3: Cross multiply
    1,031,123.88x = 1,544,855.76 × 430,763.76
  4. Step 4: Simplify right side
    1,031,123.88x = 665,467,875,835.26
  5. Step 5: Solve for x
    x = 665,467,875,835.26/1,031,123.88
  6. Step 6: Final answer
    x = 645,381.11

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1.5x scale

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.