Home / 1,567,085.16-2,350,628.28-429,859.20

Finding the Fourth Proportional to 1,567,085.16, 2,350,628.28 and 429,859.20

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Solution

The fourth proportional to 1,567,085.16, 2,350,628.28 and 429,859.20 is: 644,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,085.16 : 2,350,628.28 = 429,859.20 : x
  2. Step 2: Convert to fraction form
    1,567,085.16/2,350,628.28 = 429,859.20/x
  3. Step 3: Cross multiply
    1,567,085.16x = 2,350,628.28 × 429,859.20
  4. Step 4: Simplify right side
    1,567,085.16x = 1,010,439,191,938.18
  5. Step 5: Solve for x
    x = 1,010,439,191,938.18/1,567,085.16
  6. Step 6: Final answer
    x = 644,788.95

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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.