Home / 1,256,787.08-1,882,802.02-742,913.76

Finding the Fourth Proportional to 1,256,787.08, 1,882,802.02 and 742,913.76

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Solution

The fourth proportional to 1,256,787.08, 1,882,802.02 and 742,913.76 is: 1,112,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,787.08 : 1,882,802.02 = 742,913.76 : x
  2. Step 2: Convert to fraction form
    1,256,787.08/1,882,802.02 = 742,913.76/x
  3. Step 3: Cross multiply
    1,256,787.08x = 1,882,802.02 × 742,913.76
  4. Step 4: Simplify right side
    1,256,787.08x = 1,398,759,528,013.80
  5. Step 5: Solve for x
    x = 1,398,759,528,013.80/1,256,787.08
  6. Step 6: Final answer
    x = 1,112,964.60

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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.