Home / 1,383,116.50-1,908,734.52-771,263.29

Finding the Fourth Proportional to 1,383,116.50, 1,908,734.52 and 771,263.29

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Solution

The fourth proportional to 1,383,116.50, 1,908,734.52 and 771,263.29 is: 1,064,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,116.50 : 1,908,734.52 = 771,263.29 : x
  2. Step 2: Convert to fraction form
    1,383,116.50/1,908,734.52 = 771,263.29/x
  3. Step 3: Cross multiply
    1,383,116.50x = 1,908,734.52 × 771,263.29
  4. Step 4: Simplify right side
    1,383,116.50x = 1,472,136,865,631.77
  5. Step 5: Solve for x
    x = 1,472,136,865,631.77/1,383,116.50
  6. Step 6: Final answer
    x = 1,064,362.16

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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.