Home / 918,458.70-1,376,343.45-823,688.70

Finding the Fourth Proportional to 918,458.70, 1,376,343.45 and 823,688.70

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Solution

The fourth proportional to 918,458.70, 1,376,343.45 and 823,688.70 is: 1,234,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,458.70 : 1,376,343.45 = 823,688.70 : x
  2. Step 2: Convert to fraction form
    918,458.70/1,376,343.45 = 823,688.70/x
  3. Step 3: Cross multiply
    918,458.70x = 1,376,343.45 × 823,688.70
  4. Step 4: Simplify right side
    918,458.70x = 1,133,678,547,084.01
  5. Step 5: Solve for x
    x = 1,133,678,547,084.01/918,458.70
  6. Step 6: Final answer
    x = 1,234,327.19

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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.