Home / 1,213,602.40-1,819,966.20-614,364.40

Finding the Fourth Proportional to 1,213,602.40, 1,819,966.20 and 614,364.40

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Solution

The fourth proportional to 1,213,602.40, 1,819,966.20 and 614,364.40 is: 921,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,602.40 : 1,819,966.20 = 614,364.40 : x
  2. Step 2: Convert to fraction form
    1,213,602.40/1,819,966.20 = 614,364.40/x
  3. Step 3: Cross multiply
    1,213,602.40x = 1,819,966.20 × 614,364.40
  4. Step 4: Simplify right side
    1,213,602.40x = 1,118,122,442,483.28
  5. Step 5: Solve for x
    x = 1,118,122,442,483.28/1,213,602.40
  6. Step 6: Final answer
    x = 921,325.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.