Home / 1,429,351.59-1,972,509.02-784,813.53

Finding the Fourth Proportional to 1,429,351.59, 1,972,509.02 and 784,813.53

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Solution

The fourth proportional to 1,429,351.59, 1,972,509.02 and 784,813.53 is: 1,083,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,351.59 : 1,972,509.02 = 784,813.53 : x
  2. Step 2: Convert to fraction form
    1,429,351.59/1,972,509.02 = 784,813.53/x
  3. Step 3: Cross multiply
    1,429,351.59x = 1,972,509.02 × 784,813.53
  4. Step 4: Simplify right side
    1,429,351.59x = 1,548,051,763,018.97
  5. Step 5: Solve for x
    x = 1,548,051,763,018.97/1,429,351.59
  6. Step 6: Final answer
    x = 1,083,044.77

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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.