Home / 1,369,303.88-1,889,474.72-788,715.84

Finding the Fourth Proportional to 1,369,303.88, 1,889,474.72 and 788,715.84

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Solution

The fourth proportional to 1,369,303.88, 1,889,474.72 and 788,715.84 is: 1,088,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,303.88 : 1,889,474.72 = 788,715.84 : x
  2. Step 2: Convert to fraction form
    1,369,303.88/1,889,474.72 = 788,715.84/x
  3. Step 3: Cross multiply
    1,369,303.88x = 1,889,474.72 × 788,715.84
  4. Step 4: Simplify right side
    1,369,303.88x = 1,490,258,642,915.35
  5. Step 5: Solve for x
    x = 1,490,258,642,915.35/1,369,303.88
  6. Step 6: Final answer
    x = 1,088,333.03

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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.