Home / 1,408,333.80-1,943,582.60-788,133.72

Finding the Fourth Proportional to 1,408,333.80, 1,943,582.60 and 788,133.72

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Solution

The fourth proportional to 1,408,333.80, 1,943,582.60 and 788,133.72 is: 1,087,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,333.80 : 1,943,582.60 = 788,133.72 : x
  2. Step 2: Convert to fraction form
    1,408,333.80/1,943,582.60 = 788,133.72/x
  3. Step 3: Cross multiply
    1,408,333.80x = 1,943,582.60 × 788,133.72
  4. Step 4: Simplify right side
    1,408,333.80x = 1,531,802,984,665.27
  5. Step 5: Solve for x
    x = 1,531,802,984,665.27/1,408,333.80
  6. Step 6: Final answer
    x = 1,087,670.40

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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.