Home / 920,054.16-1,268,362.80-715,746.24

Finding the Fourth Proportional to 920,054.16, 1,268,362.80 and 715,746.24

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Solution

The fourth proportional to 920,054.16, 1,268,362.80 and 715,746.24 is: 986,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,054.16 : 1,268,362.80 = 715,746.24 : x
  2. Step 2: Convert to fraction form
    920,054.16/1,268,362.80 = 715,746.24/x
  3. Step 3: Cross multiply
    920,054.16x = 1,268,362.80 × 715,746.24
  4. Step 4: Simplify right side
    920,054.16x = 907,825,905,055.87
  5. Step 5: Solve for x
    x = 907,825,905,055.87/920,054.16
  6. Step 6: Final answer
    x = 986,709.20

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1.5x scale

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.