Home / 912,602.40-1,368,903.60-772,634.40

Finding the Fourth Proportional to 912,602.40, 1,368,903.60 and 772,634.40

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Solution

The fourth proportional to 912,602.40, 1,368,903.60 and 772,634.40 is: 1,158,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,602.40 : 1,368,903.60 = 772,634.40 : x
  2. Step 2: Convert to fraction form
    912,602.40/1,368,903.60 = 772,634.40/x
  3. Step 3: Cross multiply
    912,602.40x = 1,368,903.60 × 772,634.40
  4. Step 4: Simplify right side
    912,602.40x = 1,057,662,011,643.84
  5. Step 5: Solve for x
    x = 1,057,662,011,643.84/912,602.40
  6. Step 6: Final answer
    x = 1,158,951.60

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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.