Home / 1,114,740.72-1,671,700.92-385,078.24

Finding the Fourth Proportional to 1,114,740.72, 1,671,700.92 and 385,078.24

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Solution

The fourth proportional to 1,114,740.72, 1,671,700.92 and 385,078.24 is: 577,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,740.72 : 1,671,700.92 = 385,078.24 : x
  2. Step 2: Convert to fraction form
    1,114,740.72/1,671,700.92 = 385,078.24/x
  3. Step 3: Cross multiply
    1,114,740.72x = 1,671,700.92 × 385,078.24
  4. Step 4: Simplify right side
    1,114,740.72x = 643,735,648,079.98
  5. Step 5: Solve for x
    x = 643,735,648,079.98/1,114,740.72
  6. Step 6: Final answer
    x = 577,475.67

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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.