Home / 1,345,497.40-2,014,746.90-869,606.20

Finding the Fourth Proportional to 1,345,497.40, 2,014,746.90 and 869,606.20

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Solution

The fourth proportional to 1,345,497.40, 2,014,746.90 and 869,606.20 is: 1,302,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,497.40 : 2,014,746.90 = 869,606.20 : x
  2. Step 2: Convert to fraction form
    1,345,497.40/2,014,746.90 = 869,606.20/x
  3. Step 3: Cross multiply
    1,345,497.40x = 2,014,746.90 × 869,606.20
  4. Step 4: Simplify right side
    1,345,497.40x = 1,752,036,395,670.78
  5. Step 5: Solve for x
    x = 1,752,036,395,670.78/1,345,497.40
  6. Step 6: Final answer
    x = 1,302,147.74

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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.