Home / 918,415.51-1,376,314.96-676,627.93

Finding the Fourth Proportional to 918,415.51, 1,376,314.96 and 676,627.93

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Solution

The fourth proportional to 918,415.51, 1,376,314.96 and 676,627.93 is: 1,013,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,415.51 : 1,376,314.96 = 676,627.93 : x
  2. Step 2: Convert to fraction form
    918,415.51/1,376,314.96 = 676,627.93/x
  3. Step 3: Cross multiply
    918,415.51x = 1,376,314.96 × 676,627.93
  4. Step 4: Simplify right side
    918,415.51x = 931,253,143,710.33
  5. Step 5: Solve for x
    x = 931,253,143,710.33/918,415.51
  6. Step 6: Final answer
    x = 1,013,978.02

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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.