Home / 1,219,941.71-1,683,701.13-703,599.21

Finding the Fourth Proportional to 1,219,941.71, 1,683,701.13 and 703,599.21

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Solution

The fourth proportional to 1,219,941.71, 1,683,701.13 and 703,599.21 is: 971,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,941.71 : 1,683,701.13 = 703,599.21 : x
  2. Step 2: Convert to fraction form
    1,219,941.71/1,683,701.13 = 703,599.21/x
  3. Step 3: Cross multiply
    1,219,941.71x = 1,683,701.13 × 703,599.21
  4. Step 4: Simplify right side
    1,219,941.71x = 1,184,650,787,582.60
  5. Step 5: Solve for x
    x = 1,184,650,787,582.60/1,219,941.71
  6. Step 6: Final answer
    x = 971,071.63

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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.