Home / 1,487,786.40-2,053,146.56-808,722.90

Finding the Fourth Proportional to 1,487,786.40, 2,053,146.56 and 808,722.90

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Solution

The fourth proportional to 1,487,786.40, 2,053,146.56 and 808,722.90 is: 1,116,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,786.40 : 2,053,146.56 = 808,722.90 : x
  2. Step 2: Convert to fraction form
    1,487,786.40/2,053,146.56 = 808,722.90/x
  3. Step 3: Cross multiply
    1,487,786.40x = 2,053,146.56 × 808,722.90
  4. Step 4: Simplify right side
    1,487,786.40x = 1,660,426,636,084.61
  5. Step 5: Solve for x
    x = 1,660,426,636,084.61/1,487,786.40
  6. Step 6: Final answer
    x = 1,116,038.32

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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.