Home / 1,145,188.10-1,580,504.74-692,728.58

Finding the Fourth Proportional to 1,145,188.10, 1,580,504.74 and 692,728.58

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Solution

The fourth proportional to 1,145,188.10, 1,580,504.74 and 692,728.58 is: 956,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,188.10 : 1,580,504.74 = 692,728.58 : x
  2. Step 2: Convert to fraction form
    1,145,188.10/1,580,504.74 = 692,728.58/x
  3. Step 3: Cross multiply
    1,145,188.10x = 1,580,504.74 × 692,728.58
  4. Step 4: Simplify right side
    1,145,188.10x = 1,094,860,804,223.47
  5. Step 5: Solve for x
    x = 1,094,860,804,223.47/1,145,188.10
  6. Step 6: Final answer
    x = 956,053.25

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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.