Home / 1,119,439.52-1,679,809.76-470,968.20

Finding the Fourth Proportional to 1,119,439.52, 1,679,809.76 and 470,968.20

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Solution

The fourth proportional to 1,119,439.52, 1,679,809.76 and 470,968.20 is: 706,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,439.52 : 1,679,809.76 = 470,968.20 : x
  2. Step 2: Convert to fraction form
    1,119,439.52/1,679,809.76 = 470,968.20/x
  3. Step 3: Cross multiply
    1,119,439.52x = 1,679,809.76 × 470,968.20
  4. Step 4: Simplify right side
    1,119,439.52x = 791,136,979,009.63
  5. Step 5: Solve for x
    x = 791,136,979,009.63/1,119,439.52
  6. Step 6: Final answer
    x = 706,725.97

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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.