Home / 1,170,030.30-1,755,045.45-719,289.60

Finding the Fourth Proportional to 1,170,030.30, 1,755,045.45 and 719,289.60

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Solution

The fourth proportional to 1,170,030.30, 1,755,045.45 and 719,289.60 is: 1,078,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,030.30 : 1,755,045.45 = 719,289.60 : x
  2. Step 2: Convert to fraction form
    1,170,030.30/1,755,045.45 = 719,289.60/x
  3. Step 3: Cross multiply
    1,170,030.30x = 1,755,045.45 × 719,289.60
  4. Step 4: Simplify right side
    1,170,030.30x = 1,262,385,939,712.32
  5. Step 5: Solve for x
    x = 1,262,385,939,712.32/1,170,030.30
  6. Step 6: Final answer
    x = 1,078,934.40

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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.