Home / 1,000,765.64-1,381,036.83-570,976.40

Finding the Fourth Proportional to 1,000,765.64, 1,381,036.83 and 570,976.40

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Solution

The fourth proportional to 1,000,765.64, 1,381,036.83 and 570,976.40 is: 787,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,765.64 : 1,381,036.83 = 570,976.40 : x
  2. Step 2: Convert to fraction form
    1,000,765.64/1,381,036.83 = 570,976.40/x
  3. Step 3: Cross multiply
    1,000,765.64x = 1,381,036.83 × 570,976.40
  4. Step 4: Simplify right side
    1,000,765.64x = 788,539,437,460.81
  5. Step 5: Solve for x
    x = 788,539,437,460.81/1,000,765.64
  6. Step 6: Final answer
    x = 787,936.16

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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.