Home / 1,087,072.86-1,630,898.47-377,099.78

Finding the Fourth Proportional to 1,087,072.86, 1,630,898.47 and 377,099.78

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Solution

The fourth proportional to 1,087,072.86, 1,630,898.47 and 377,099.78 is: 565,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,072.86 : 1,630,898.47 = 377,099.78 : x
  2. Step 2: Convert to fraction form
    1,087,072.86/1,630,898.47 = 377,099.78/x
  3. Step 3: Cross multiply
    1,087,072.86x = 1,630,898.47 × 377,099.78
  4. Step 4: Simplify right side
    1,087,072.86x = 615,011,454,239.34
  5. Step 5: Solve for x
    x = 615,011,454,239.34/1,087,072.86
  6. Step 6: Final answer
    x = 565,749.99

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Double scale
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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.