Home / 918,416.27-1,376,316.08-676,628.69

Finding the Fourth Proportional to 918,416.27, 1,376,316.08 and 676,628.69

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Solution

The fourth proportional to 918,416.27, 1,376,316.08 and 676,628.69 is: 1,013,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,416.27 : 1,376,316.08 = 676,628.69 : x
  2. Step 2: Convert to fraction form
    918,416.27/1,376,316.08 = 676,628.69/x
  3. Step 3: Cross multiply
    918,416.27x = 1,376,316.08 × 676,628.69
  4. Step 4: Simplify right side
    918,416.27x = 931,254,941,046.33
  5. Step 5: Solve for x
    x = 931,254,941,046.33/918,416.27
  6. Step 6: Final answer
    x = 1,013,979.15

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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.