Home / 1,357,061.40-2,032,491.78-647,587.80

Finding the Fourth Proportional to 1,357,061.40, 2,032,491.78 and 647,587.80

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Solution

The fourth proportional to 1,357,061.40, 2,032,491.78 and 647,587.80 is: 969,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,061.40 : 2,032,491.78 = 647,587.80 : x
  2. Step 2: Convert to fraction form
    1,357,061.40/2,032,491.78 = 647,587.80/x
  3. Step 3: Cross multiply
    1,357,061.40x = 2,032,491.78 × 647,587.80
  4. Step 4: Simplify right side
    1,357,061.40x = 1,316,216,880,328.28
  5. Step 5: Solve for x
    x = 1,316,216,880,328.28/1,357,061.40
  6. Step 6: Final answer
    x = 969,902.23

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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.