Home / 1,586,875.37-2,379,807.52-521,671.91

Finding the Fourth Proportional to 1,586,875.37, 2,379,807.52 and 521,671.91

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Solution

The fourth proportional to 1,586,875.37, 2,379,807.52 and 521,671.91 is: 782,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,875.37 : 2,379,807.52 = 521,671.91 : x
  2. Step 2: Convert to fraction form
    1,586,875.37/2,379,807.52 = 521,671.91/x
  3. Step 3: Cross multiply
    1,586,875.37x = 2,379,807.52 × 521,671.91
  4. Step 4: Simplify right side
    1,586,875.37x = 1,241,478,721,187.55
  5. Step 5: Solve for x
    x = 1,241,478,721,187.55/1,586,875.37
  6. Step 6: Final answer
    x = 782,341.67

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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.