Home / 786,281.40-1,179,422.10-773,159.40

Finding the Fourth Proportional to 786,281.40, 1,179,422.10 and 773,159.40

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Solution

The fourth proportional to 786,281.40, 1,179,422.10 and 773,159.40 is: 1,159,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,281.40 : 1,179,422.10 = 773,159.40 : x
  2. Step 2: Convert to fraction form
    786,281.40/1,179,422.10 = 773,159.40/x
  3. Step 3: Cross multiply
    786,281.40x = 1,179,422.10 × 773,159.40
  4. Step 4: Simplify right side
    786,281.40x = 911,881,283,182.74
  5. Step 5: Solve for x
    x = 911,881,283,182.74/786,281.40
  6. Step 6: Final answer
    x = 1,159,739.10

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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.