Home / 912,456.40-1,365,574.20-912,456.40

Finding the Fourth Proportional to 912,456.40, 1,365,574.20 and 912,456.40

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Solution

The fourth proportional to 912,456.40, 1,365,574.20 and 912,456.40 is: 1,365,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,456.40 : 1,365,574.20 = 912,456.40 : x
  2. Step 2: Convert to fraction form
    912,456.40/1,365,574.20 = 912,456.40/x
  3. Step 3: Cross multiply
    912,456.40x = 1,365,574.20 × 912,456.40
  4. Step 4: Simplify right side
    912,456.40x = 1,246,026,918,464.88
  5. Step 5: Solve for x
    x = 1,246,026,918,464.88/912,456.40
  6. Step 6: Final answer
    x = 1,365,574.20

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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.