Home / 1,036,705.70-1,554,953.43-278,448.67

Finding the Fourth Proportional to 1,036,705.70, 1,554,953.43 and 278,448.67

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Solution

The fourth proportional to 1,036,705.70, 1,554,953.43 and 278,448.67 is: 417,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,705.70 : 1,554,953.43 = 278,448.67 : x
  2. Step 2: Convert to fraction form
    1,036,705.70/1,554,953.43 = 278,448.67/x
  3. Step 3: Cross multiply
    1,036,705.70x = 1,554,953.43 × 278,448.67
  4. Step 4: Simplify right side
    1,036,705.70x = 432,974,714,495.44
  5. Step 5: Solve for x
    x = 432,974,714,495.44/1,036,705.70
  6. Step 6: Final answer
    x = 417,644.77

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Double scale
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Similar ratio
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1.5x scale

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.