Home / 1,918,625.73-2,877,437.40-570,425.28

Finding the Fourth Proportional to 1,918,625.73, 2,877,437.40 and 570,425.28

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Solution

The fourth proportional to 1,918,625.73, 2,877,437.40 and 570,425.28 is: 855,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,625.73 : 2,877,437.40 = 570,425.28 : x
  2. Step 2: Convert to fraction form
    1,918,625.73/2,877,437.40 = 570,425.28/x
  3. Step 3: Cross multiply
    1,918,625.73x = 2,877,437.40 × 570,425.28
  4. Step 4: Simplify right side
    1,918,625.73x = 1,641,363,034,577.47
  5. Step 5: Solve for x
    x = 1,641,363,034,577.47/1,918,625.73
  6. Step 6: Final answer
    x = 855,488.91

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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.