Home / 1,105,763.64-1,525,368.54-761,001.02

Finding the Fourth Proportional to 1,105,763.64, 1,525,368.54 and 761,001.02

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Solution

The fourth proportional to 1,105,763.64, 1,525,368.54 and 761,001.02 is: 1,049,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,763.64 : 1,525,368.54 = 761,001.02 : x
  2. Step 2: Convert to fraction form
    1,105,763.64/1,525,368.54 = 761,001.02/x
  3. Step 3: Cross multiply
    1,105,763.64x = 1,525,368.54 × 761,001.02
  4. Step 4: Simplify right side
    1,105,763.64x = 1,160,807,015,762.95
  5. Step 5: Solve for x
    x = 1,160,807,015,762.95/1,105,763.64
  6. Step 6: Final answer
    x = 1,049,778.61

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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.