Home / 1,038,766.32-1,558,032.84-290,870.64

Finding the Fourth Proportional to 1,038,766.32, 1,558,032.84 and 290,870.64

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Solution

The fourth proportional to 1,038,766.32, 1,558,032.84 and 290,870.64 is: 436,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,766.32 : 1,558,032.84 = 290,870.64 : x
  2. Step 2: Convert to fraction form
    1,038,766.32/1,558,032.84 = 290,870.64/x
  3. Step 3: Cross multiply
    1,038,766.32x = 1,558,032.84 × 290,870.64
  4. Step 4: Simplify right side
    1,038,766.32x = 453,186,009,311.82
  5. Step 5: Solve for x
    x = 453,186,009,311.82/1,038,766.32
  6. Step 6: Final answer
    x = 436,273.30

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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.