Home / 972,009.80-1,458,014.70-615,091.40

Finding the Fourth Proportional to 972,009.80, 1,458,014.70 and 615,091.40

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Solution

The fourth proportional to 972,009.80, 1,458,014.70 and 615,091.40 is: 922,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,009.80 : 1,458,014.70 = 615,091.40 : x
  2. Step 2: Convert to fraction form
    972,009.80/1,458,014.70 = 615,091.40/x
  3. Step 3: Cross multiply
    972,009.80x = 1,458,014.70 × 615,091.40
  4. Step 4: Simplify right side
    972,009.80x = 896,812,303,043.58
  5. Step 5: Solve for x
    x = 896,812,303,043.58/972,009.80
  6. Step 6: Final answer
    x = 922,637.10

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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.