Home / 993,133-1,370,545.14-540,424.36

Finding the Fourth Proportional to 993,133, 1,370,545.14 and 540,424.36

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Solution

The fourth proportional to 993,133, 1,370,545.14 and 540,424.36 is: 745,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,133 : 1,370,545.14 = 540,424.36 : x
  2. Step 2: Convert to fraction form
    993,133/1,370,545.14 = 540,424.36/x
  3. Step 3: Cross multiply
    993,133x = 1,370,545.14 × 540,424.36
  4. Step 4: Simplify right side
    993,133x = 740,675,980,135.61
  5. Step 5: Solve for x
    x = 740,675,980,135.61/993,133
  6. Step 6: Final answer
    x = 745,797.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.