Home / 1,281,374.51-1,768,333.68-708,451.52

Finding the Fourth Proportional to 1,281,374.51, 1,768,333.68 and 708,451.52

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Solution

The fourth proportional to 1,281,374.51, 1,768,333.68 and 708,451.52 is: 977,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,374.51 : 1,768,333.68 = 708,451.52 : x
  2. Step 2: Convert to fraction form
    1,281,374.51/1,768,333.68 = 708,451.52/x
  3. Step 3: Cross multiply
    1,281,374.51x = 1,768,333.68 × 708,451.52
  4. Step 4: Simplify right side
    1,281,374.51x = 1,252,778,674,621.53
  5. Step 5: Solve for x
    x = 1,252,778,674,621.53/1,281,374.51
  6. Step 6: Final answer
    x = 977,683.47

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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.