Home / 1,416,838.64-1,955,180.04-772,244.96

Finding the Fourth Proportional to 1,416,838.64, 1,955,180.04 and 772,244.96

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Solution

The fourth proportional to 1,416,838.64, 1,955,180.04 and 772,244.96 is: 1,065,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,838.64 : 1,955,180.04 = 772,244.96 : x
  2. Step 2: Convert to fraction form
    1,416,838.64/1,955,180.04 = 772,244.96/x
  3. Step 3: Cross multiply
    1,416,838.64x = 1,955,180.04 × 772,244.96
  4. Step 4: Simplify right side
    1,416,838.64x = 1,509,877,931,782.60
  5. Step 5: Solve for x
    x = 1,509,877,931,782.60/1,416,838.64
  6. Step 6: Final answer
    x = 1,065,666.82

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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.