Home / 1,009,172.61-1,513,758.86-692,669.97

Finding the Fourth Proportional to 1,009,172.61, 1,513,758.86 and 692,669.97

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Solution

The fourth proportional to 1,009,172.61, 1,513,758.86 and 692,669.97 is: 1,039,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,172.61 : 1,513,758.86 = 692,669.97 : x
  2. Step 2: Convert to fraction form
    1,009,172.61/1,513,758.86 = 692,669.97/x
  3. Step 3: Cross multiply
    1,009,172.61x = 1,513,758.86 × 692,669.97
  4. Step 4: Simplify right side
    1,009,172.61x = 1,048,535,300,680.08
  5. Step 5: Solve for x
    x = 1,048,535,300,680.08/1,009,172.61
  6. Step 6: Final answer
    x = 1,039,004.91

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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.