Home / 1,458,001.34-2,012,043.11-813,421.67

Finding the Fourth Proportional to 1,458,001.34, 2,012,043.11 and 813,421.67

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Solution

The fourth proportional to 1,458,001.34, 2,012,043.11 and 813,421.67 is: 1,122,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,001.34 : 2,012,043.11 = 813,421.67 : x
  2. Step 2: Convert to fraction form
    1,458,001.34/2,012,043.11 = 813,421.67/x
  3. Step 3: Cross multiply
    1,458,001.34x = 2,012,043.11 × 813,421.67
  4. Step 4: Simplify right side
    1,458,001.34x = 1,636,639,466,648.19
  5. Step 5: Solve for x
    x = 1,636,639,466,648.19/1,458,001.34
  6. Step 6: Final answer
    x = 1,122,522.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.