Home / 1,178,312.80-1,626,256.32-694,931.08

Finding the Fourth Proportional to 1,178,312.80, 1,626,256.32 and 694,931.08

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Solution

The fourth proportional to 1,178,312.80, 1,626,256.32 and 694,931.08 is: 959,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,312.80 : 1,626,256.32 = 694,931.08 : x
  2. Step 2: Convert to fraction form
    1,178,312.80/1,626,256.32 = 694,931.08/x
  3. Step 3: Cross multiply
    1,178,312.80x = 1,626,256.32 × 694,931.08
  4. Step 4: Simplify right side
    1,178,312.80x = 1,130,136,060,814.43
  5. Step 5: Solve for x
    x = 1,130,136,060,814.43/1,178,312.80
  6. Step 6: Final answer
    x = 959,113.79

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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.