Home / 1,152,430.40-1,590,379.41-636,183.07

Finding the Fourth Proportional to 1,152,430.40, 1,590,379.41 and 636,183.07

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Solution

The fourth proportional to 1,152,430.40, 1,590,379.41 and 636,183.07 is: 877,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,430.40 : 1,590,379.41 = 636,183.07 : x
  2. Step 2: Convert to fraction form
    1,152,430.40/1,590,379.41 = 636,183.07/x
  3. Step 3: Cross multiply
    1,152,430.40x = 1,590,379.41 × 636,183.07
  4. Step 4: Simplify right side
    1,152,430.40x = 1,011,772,455,518.59
  5. Step 5: Solve for x
    x = 1,011,772,455,518.59/1,152,430.40
  6. Step 6: Final answer
    x = 877,946.69

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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.