Home / 1,432,802.90-1,977,253.80-788,223.80

Finding the Fourth Proportional to 1,432,802.90, 1,977,253.80 and 788,223.80

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Solution

The fourth proportional to 1,432,802.90, 1,977,253.80 and 788,223.80 is: 1,087,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,802.90 : 1,977,253.80 = 788,223.80 : x
  2. Step 2: Convert to fraction form
    1,432,802.90/1,977,253.80 = 788,223.80/x
  3. Step 3: Cross multiply
    1,432,802.90x = 1,977,253.80 × 788,223.80
  4. Step 4: Simplify right side
    1,432,802.90x = 1,558,518,503,800.44
  5. Step 5: Solve for x
    x = 1,558,518,503,800.44/1,432,802.90
  6. Step 6: Final answer
    x = 1,087,741.03

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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.