Home / 1,232,012.07-1,700,158.73-688,155.62

Finding the Fourth Proportional to 1,232,012.07, 1,700,158.73 and 688,155.62

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Solution

The fourth proportional to 1,232,012.07, 1,700,158.73 and 688,155.62 is: 949,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,012.07 : 1,700,158.73 = 688,155.62 : x
  2. Step 2: Convert to fraction form
    1,232,012.07/1,700,158.73 = 688,155.62/x
  3. Step 3: Cross multiply
    1,232,012.07x = 1,700,158.73 × 688,155.62
  4. Step 4: Simplify right side
    1,232,012.07x = 1,169,973,772,999.99
  5. Step 5: Solve for x
    x = 1,169,973,772,999.99/1,232,012.07
  6. Step 6: Final answer
    x = 949,644.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.