Home / 1,283,792.61-1,925,876.70-385,305.42

Finding the Fourth Proportional to 1,283,792.61, 1,925,876.70 and 385,305.42

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Solution

The fourth proportional to 1,283,792.61, 1,925,876.70 and 385,305.42 is: 578,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,792.61 : 1,925,876.70 = 385,305.42 : x
  2. Step 2: Convert to fraction form
    1,283,792.61/1,925,876.70 = 385,305.42/x
  3. Step 3: Cross multiply
    1,283,792.61x = 1,925,876.70 × 385,305.42
  4. Step 4: Simplify right side
    1,283,792.61x = 742,050,730,761.71
  5. Step 5: Solve for x
    x = 742,050,730,761.71/1,283,792.61
  6. Step 6: Final answer
    x = 578,014.49

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1.5x scale

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.