Home / 1,245,389.70-1,868,084.55-346,970.10

Finding the Fourth Proportional to 1,245,389.70, 1,868,084.55 and 346,970.10

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Solution

The fourth proportional to 1,245,389.70, 1,868,084.55 and 346,970.10 is: 520,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,389.70 : 1,868,084.55 = 346,970.10 : x
  2. Step 2: Convert to fraction form
    1,245,389.70/1,868,084.55 = 346,970.10/x
  3. Step 3: Cross multiply
    1,245,389.70x = 1,868,084.55 × 346,970.10
  4. Step 4: Simplify right side
    1,245,389.70x = 648,169,483,121.96
  5. Step 5: Solve for x
    x = 648,169,483,121.96/1,245,389.70
  6. Step 6: Final answer
    x = 520,455.15

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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.