Home / 1,402,158.90-2,103,894.45-729,000.30

Finding the Fourth Proportional to 1,402,158.90, 2,103,894.45 and 729,000.30

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Solution

The fourth proportional to 1,402,158.90, 2,103,894.45 and 729,000.30 is: 1,093,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,158.90 : 2,103,894.45 = 729,000.30 : x
  2. Step 2: Convert to fraction form
    1,402,158.90/2,103,894.45 = 729,000.30/x
  3. Step 3: Cross multiply
    1,402,158.90x = 2,103,894.45 × 729,000.30
  4. Step 4: Simplify right side
    1,402,158.90x = 1,533,739,685,218.34
  5. Step 5: Solve for x
    x = 1,533,739,685,218.34/1,402,158.90
  6. Step 6: Final answer
    x = 1,093,841.56

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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.