Home / 1,285,430.98-1,928,398.68-475,822.47

Finding the Fourth Proportional to 1,285,430.98, 1,928,398.68 and 475,822.47

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Solution

The fourth proportional to 1,285,430.98, 1,928,398.68 and 475,822.47 is: 713,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,430.98 : 1,928,398.68 = 475,822.47 : x
  2. Step 2: Convert to fraction form
    1,285,430.98/1,928,398.68 = 475,822.47/x
  3. Step 3: Cross multiply
    1,285,430.98x = 1,928,398.68 × 475,822.47
  4. Step 4: Simplify right side
    1,285,430.98x = 917,575,423,062.34
  5. Step 5: Solve for x
    x = 917,575,423,062.34/1,285,430.98
  6. Step 6: Final answer
    x = 713,827.06

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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.