Home / 1,047,281.40-1,445,932.62-805,117.32

Finding the Fourth Proportional to 1,047,281.40, 1,445,932.62 and 805,117.32

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Solution

The fourth proportional to 1,047,281.40, 1,445,932.62 and 805,117.32 is: 1,111,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,281.40 : 1,445,932.62 = 805,117.32 : x
  2. Step 2: Convert to fraction form
    1,047,281.40/1,445,932.62 = 805,117.32/x
  3. Step 3: Cross multiply
    1,047,281.40x = 1,445,932.62 × 805,117.32
  4. Step 4: Simplify right side
    1,047,281.40x = 1,164,145,395,914.98
  5. Step 5: Solve for x
    x = 1,164,145,395,914.98/1,047,281.40
  6. Step 6: Final answer
    x = 1,111,587.96

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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.