Home / 1,567,386.45-2,351,079.68-385,434.45

Finding the Fourth Proportional to 1,567,386.45, 2,351,079.68 and 385,434.45

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Solution

The fourth proportional to 1,567,386.45, 2,351,079.68 and 385,434.45 is: 578,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,386.45 : 2,351,079.68 = 385,434.45 : x
  2. Step 2: Convert to fraction form
    1,567,386.45/2,351,079.68 = 385,434.45/x
  3. Step 3: Cross multiply
    1,567,386.45x = 2,351,079.68 × 385,434.45
  4. Step 4: Simplify right side
    1,567,386.45x = 906,187,103,366.98
  5. Step 5: Solve for x
    x = 906,187,103,366.98/1,567,386.45
  6. Step 6: Final answer
    x = 578,151.68

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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.