Home / 1,369,307.59-1,889,479.85-788,719.57

Finding the Fourth Proportional to 1,369,307.59, 1,889,479.85 and 788,719.57

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Solution

The fourth proportional to 1,369,307.59, 1,889,479.85 and 788,719.57 is: 1,088,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,307.59 : 1,889,479.85 = 788,719.57 : x
  2. Step 2: Convert to fraction form
    1,369,307.59/1,889,479.85 = 788,719.57/x
  3. Step 3: Cross multiply
    1,369,307.59x = 1,889,479.85 × 788,719.57
  4. Step 4: Simplify right side
    1,369,307.59x = 1,490,269,726,148.37
  5. Step 5: Solve for x
    x = 1,490,269,726,148.37/1,369,307.59
  6. Step 6: Final answer
    x = 1,088,338.18

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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.