Home / 1,331,510.72-1,997,280.66-384,889.64

Finding the Fourth Proportional to 1,331,510.72, 1,997,280.66 and 384,889.64

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Solution

The fourth proportional to 1,331,510.72, 1,997,280.66 and 384,889.64 is: 577,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,510.72 : 1,997,280.66 = 384,889.64 : x
  2. Step 2: Convert to fraction form
    1,331,510.72/1,997,280.66 = 384,889.64/x
  3. Step 3: Cross multiply
    1,331,510.72x = 1,997,280.66 × 384,889.64
  4. Step 4: Simplify right side
    1,331,510.72x = 768,732,634,206.36
  5. Step 5: Solve for x
    x = 768,732,634,206.36/1,331,510.72
  6. Step 6: Final answer
    x = 577,338.67

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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.