Home / 1,234,802.94-1,852,204.40-813,980.40

Finding the Fourth Proportional to 1,234,802.94, 1,852,204.40 and 813,980.40

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Solution

The fourth proportional to 1,234,802.94, 1,852,204.40 and 813,980.40 is: 1,220,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,802.94 : 1,852,204.40 = 813,980.40 : x
  2. Step 2: Convert to fraction form
    1,234,802.94/1,852,204.40 = 813,980.40/x
  3. Step 3: Cross multiply
    1,234,802.94x = 1,852,204.40 × 813,980.40
  4. Step 4: Simplify right side
    1,234,802.94x = 1,507,658,078,393.76
  5. Step 5: Solve for x
    x = 1,507,658,078,393.76/1,234,802.94
  6. Step 6: Final answer
    x = 1,220,970.59

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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.