Home / 990,968.04-1,493,063.28-896,307.48

Finding the Fourth Proportional to 990,968.04, 1,493,063.28 and 896,307.48

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Solution

The fourth proportional to 990,968.04, 1,493,063.28 and 896,307.48 is: 1,350,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,968.04 : 1,493,063.28 = 896,307.48 : x
  2. Step 2: Convert to fraction form
    990,968.04/1,493,063.28 = 896,307.48/x
  3. Step 3: Cross multiply
    990,968.04x = 1,493,063.28 × 896,307.48
  4. Step 4: Simplify right side
    990,968.04x = 1,338,243,785,977.33
  5. Step 5: Solve for x
    x = 1,338,243,785,977.33/990,968.04
  6. Step 6: Final answer
    x = 1,350,440.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.