Home / 1,628,411.40-2,442,617.10-788,603.40

Finding the Fourth Proportional to 1,628,411.40, 2,442,617.10 and 788,603.40

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Solution

The fourth proportional to 1,628,411.40, 2,442,617.10 and 788,603.40 is: 1,182,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,411.40 : 2,442,617.10 = 788,603.40 : x
  2. Step 2: Convert to fraction form
    1,628,411.40/2,442,617.10 = 788,603.40/x
  3. Step 3: Cross multiply
    1,628,411.40x = 2,442,617.10 × 788,603.40
  4. Step 4: Simplify right side
    1,628,411.40x = 1,926,256,149,958.14
  5. Step 5: Solve for x
    x = 1,926,256,149,958.14/1,628,411.40
  6. Step 6: Final answer
    x = 1,182,905.10

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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.