Home / 1,487,347.40-2,052,539.16-808,283.72

Finding the Fourth Proportional to 1,487,347.40, 2,052,539.16 and 808,283.72

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Solution

The fourth proportional to 1,487,347.40, 2,052,539.16 and 808,283.72 is: 1,115,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,347.40 : 2,052,539.16 = 808,283.72 : x
  2. Step 2: Convert to fraction form
    1,487,347.40/2,052,539.16 = 808,283.72/x
  3. Step 3: Cross multiply
    1,487,347.40x = 2,052,539.16 × 808,283.72
  4. Step 4: Simplify right side
    1,487,347.40x = 1,659,033,987,690.48
  5. Step 5: Solve for x
    x = 1,659,033,987,690.48/1,487,347.40
  6. Step 6: Final answer
    x = 1,115,431.40

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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.