Home / 1,249,832.60-1,870,010.40-829,928.60

Finding the Fourth Proportional to 1,249,832.60, 1,870,010.40 and 829,928.60

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Solution

The fourth proportional to 1,249,832.60, 1,870,010.40 and 829,928.60 is: 1,241,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,832.60 : 1,870,010.40 = 829,928.60 : x
  2. Step 2: Convert to fraction form
    1,249,832.60/1,870,010.40 = 829,928.60/x
  3. Step 3: Cross multiply
    1,249,832.60x = 1,870,010.40 × 829,928.60
  4. Step 4: Simplify right side
    1,249,832.60x = 1,551,975,113,257.44
  5. Step 5: Solve for x
    x = 1,551,975,113,257.44/1,249,832.60
  6. Step 6: Final answer
    x = 1,241,746.39

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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.