Home / 1,225,470.58-1,690,459.14-735,313.40

Finding the Fourth Proportional to 1,225,470.58, 1,690,459.14 and 735,313.40

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Solution

The fourth proportional to 1,225,470.58, 1,690,459.14 and 735,313.40 is: 1,014,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,470.58 : 1,690,459.14 = 735,313.40 : x
  2. Step 2: Convert to fraction form
    1,225,470.58/1,690,459.14 = 735,313.40/x
  3. Step 3: Cross multiply
    1,225,470.58x = 1,690,459.14 × 735,313.40
  4. Step 4: Simplify right side
    1,225,470.58x = 1,243,017,257,794.48
  5. Step 5: Solve for x
    x = 1,243,017,257,794.48/1,225,470.58
  6. Step 6: Final answer
    x = 1,014,318.32

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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.