Home / 1,270,281.15-1,905,228.54-371,482.47

Finding the Fourth Proportional to 1,270,281.15, 1,905,228.54 and 371,482.47

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Solution

The fourth proportional to 1,270,281.15, 1,905,228.54 and 371,482.47 is: 557,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,281.15 : 1,905,228.54 = 371,482.47 : x
  2. Step 2: Convert to fraction form
    1,270,281.15/1,905,228.54 = 371,482.47/x
  3. Step 3: Cross multiply
    1,270,281.15x = 1,905,228.54 × 371,482.47
  4. Step 4: Simplify right side
    1,270,281.15x = 707,759,003,953.69
  5. Step 5: Solve for x
    x = 707,759,003,953.69/1,270,281.15
  6. Step 6: Final answer
    x = 557,167.21

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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.