Home / 1,426,588.40-2,139,386.34-573,406.76

Finding the Fourth Proportional to 1,426,588.40, 2,139,386.34 and 573,406.76

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Solution

The fourth proportional to 1,426,588.40, 2,139,386.34 and 573,406.76 is: 859,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,588.40 : 2,139,386.34 = 573,406.76 : x
  2. Step 2: Convert to fraction form
    1,426,588.40/2,139,386.34 = 573,406.76/x
  3. Step 3: Cross multiply
    1,426,588.40x = 2,139,386.34 × 573,406.76
  4. Step 4: Simplify right side
    1,426,588.40x = 1,226,738,589,607.66
  5. Step 5: Solve for x
    x = 1,226,738,589,607.66/1,426,588.40
  6. Step 6: Final answer
    x = 859,910.67

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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.