Home / 1,293,702.30-1,785,328.83-742,506.48

Finding the Fourth Proportional to 1,293,702.30, 1,785,328.83 and 742,506.48

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Solution

The fourth proportional to 1,293,702.30, 1,785,328.83 and 742,506.48 is: 1,024,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,702.30 : 1,785,328.83 = 742,506.48 : x
  2. Step 2: Convert to fraction form
    1,293,702.30/1,785,328.83 = 742,506.48/x
  3. Step 3: Cross multiply
    1,293,702.30x = 1,785,328.83 × 742,506.48
  4. Step 4: Simplify right side
    1,293,702.30x = 1,325,618,225,205.82
  5. Step 5: Solve for x
    x = 1,325,618,225,205.82/1,293,702.30
  6. Step 6: Final answer
    x = 1,024,670.22

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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.