Home / 1,281,346.30-1,768,182.06-708,352.30

Finding the Fourth Proportional to 1,281,346.30, 1,768,182.06 and 708,352.30

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Solution

The fourth proportional to 1,281,346.30, 1,768,182.06 and 708,352.30 is: 977,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,346.30 : 1,768,182.06 = 708,352.30 : x
  2. Step 2: Convert to fraction form
    1,281,346.30/1,768,182.06 = 708,352.30/x
  3. Step 3: Cross multiply
    1,281,346.30x = 1,768,182.06 × 708,352.30
  4. Step 4: Simplify right side
    1,281,346.30x = 1,252,495,829,019.74
  5. Step 5: Solve for x
    x = 1,252,495,829,019.74/1,281,346.30
  6. Step 6: Final answer
    x = 977,484.25

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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.