Home / 1,470,381.92-2,205,696-405,423.20

Finding the Fourth Proportional to 1,470,381.92, 2,205,696 and 405,423.20

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Solution

The fourth proportional to 1,470,381.92, 2,205,696 and 405,423.20 is: 608,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,381.92 : 2,205,696 = 405,423.20 : x
  2. Step 2: Convert to fraction form
    1,470,381.92/2,205,696 = 405,423.20/x
  3. Step 3: Cross multiply
    1,470,381.92x = 2,205,696 × 405,423.20
  4. Step 4: Simplify right side
    1,470,381.92x = 894,240,330,547.20
  5. Step 5: Solve for x
    x = 894,240,330,547.20/1,470,381.92
  6. Step 6: Final answer
    x = 608,168.75

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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.