Home / 1,303,228.61-1,798,364.75-722,446.16

Finding the Fourth Proportional to 1,303,228.61, 1,798,364.75 and 722,446.16

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Solution

The fourth proportional to 1,303,228.61, 1,798,364.75 and 722,446.16 is: 996,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,228.61 : 1,798,364.75 = 722,446.16 : x
  2. Step 2: Convert to fraction form
    1,303,228.61/1,798,364.75 = 722,446.16/x
  3. Step 3: Cross multiply
    1,303,228.61x = 1,798,364.75 × 722,446.16
  4. Step 4: Simplify right side
    1,303,228.61x = 1,299,221,700,731.15
  5. Step 5: Solve for x
    x = 1,299,221,700,731.15/1,303,228.61
  6. Step 6: Final answer
    x = 996,925.40

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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.