Home / 1,408,146.48-1,943,239.68-787,952.16

Finding the Fourth Proportional to 1,408,146.48, 1,943,239.68 and 787,952.16

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Solution

The fourth proportional to 1,408,146.48, 1,943,239.68 and 787,952.16 is: 1,087,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,146.48 : 1,943,239.68 = 787,952.16 : x
  2. Step 2: Convert to fraction form
    1,408,146.48/1,943,239.68 = 787,952.16/x
  3. Step 3: Cross multiply
    1,408,146.48x = 1,943,239.68 × 787,952.16
  4. Step 4: Simplify right side
    1,408,146.48x = 1,531,179,903,253.71
  5. Step 5: Solve for x
    x = 1,531,179,903,253.71/1,408,146.48
  6. Step 6: Final answer
    x = 1,087,372.60

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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.