Home / 1,424,445.12-2,136,928.32-714,962.88

Finding the Fourth Proportional to 1,424,445.12, 2,136,928.32 and 714,962.88

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Solution

The fourth proportional to 1,424,445.12, 2,136,928.32 and 714,962.88 is: 1,072,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,445.12 : 2,136,928.32 = 714,962.88 : x
  2. Step 2: Convert to fraction form
    1,424,445.12/2,136,928.32 = 714,962.88/x
  3. Step 3: Cross multiply
    1,424,445.12x = 2,136,928.32 × 714,962.88
  4. Step 4: Simplify right side
    1,424,445.12x = 1,527,824,426,020.76
  5. Step 5: Solve for x
    x = 1,527,824,426,020.76/1,424,445.12
  6. Step 6: Final answer
    x = 1,072,575.14

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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.