Home / 918,421.53-1,376,323.95-676,633.95

Finding the Fourth Proportional to 918,421.53, 1,376,323.95 and 676,633.95

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Solution

The fourth proportional to 918,421.53, 1,376,323.95 and 676,633.95 is: 1,013,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,421.53 : 1,376,323.95 = 676,633.95 : x
  2. Step 2: Convert to fraction form
    918,421.53/1,376,323.95 = 676,633.95/x
  3. Step 3: Cross multiply
    918,421.53x = 1,376,323.95 × 676,633.95
  4. Step 4: Simplify right side
    918,421.53x = 931,267,510,768.10
  5. Step 5: Solve for x
    x = 931,267,510,768.10/918,421.53
  6. Step 6: Final answer
    x = 1,013,987.02

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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.