Home / 1,152,429.83-1,590,311.48-636,172.64

Finding the Fourth Proportional to 1,152,429.83, 1,590,311.48 and 636,172.64

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Solution

The fourth proportional to 1,152,429.83, 1,590,311.48 and 636,172.64 is: 877,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,429.83 : 1,590,311.48 = 636,172.64 : x
  2. Step 2: Convert to fraction form
    1,152,429.83/1,590,311.48 = 636,172.64/x
  3. Step 3: Cross multiply
    1,152,429.83x = 1,590,311.48 × 636,172.64
  4. Step 4: Simplify right side
    1,152,429.83x = 1,011,712,652,653.91
  5. Step 5: Solve for x
    x = 1,011,712,652,653.91/1,152,429.83
  6. Step 6: Final answer
    x = 877,895.23

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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.