Home / 1,450,522.15-2,175,780.83-385,564.21

Finding the Fourth Proportional to 1,450,522.15, 2,175,780.83 and 385,564.21

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Solution

The fourth proportional to 1,450,522.15, 2,175,780.83 and 385,564.21 is: 578,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,522.15 : 2,175,780.83 = 385,564.21 : x
  2. Step 2: Convert to fraction form
    1,450,522.15/2,175,780.83 = 385,564.21/x
  3. Step 3: Cross multiply
    1,450,522.15x = 2,175,780.83 × 385,564.21
  4. Step 4: Simplify right side
    1,450,522.15x = 838,903,209,484.82
  5. Step 5: Solve for x
    x = 838,903,209,484.82/1,450,522.15
  6. Step 6: Final answer
    x = 578,345.67

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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.