Home / 918,417.27-1,376,317.58-676,629.69

Finding the Fourth Proportional to 918,417.27, 1,376,317.58 and 676,629.69

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Solution

The fourth proportional to 918,417.27, 1,376,317.58 and 676,629.69 is: 1,013,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,417.27 : 1,376,317.58 = 676,629.69 : x
  2. Step 2: Convert to fraction form
    918,417.27/1,376,317.58 = 676,629.69/x
  3. Step 3: Cross multiply
    918,417.27x = 1,376,317.58 × 676,629.69
  4. Step 4: Simplify right side
    918,417.27x = 931,257,337,496.95
  5. Step 5: Solve for x
    x = 931,257,337,496.95/918,417.27
  6. Step 6: Final answer
    x = 1,013,980.65

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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.