Home / 1,343,916.80-2,015,875.20-346,644.80

Finding the Fourth Proportional to 1,343,916.80, 2,015,875.20 and 346,644.80

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Solution

The fourth proportional to 1,343,916.80, 2,015,875.20 and 346,644.80 is: 519,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,916.80 : 2,015,875.20 = 346,644.80 : x
  2. Step 2: Convert to fraction form
    1,343,916.80/2,015,875.20 = 346,644.80/x
  3. Step 3: Cross multiply
    1,343,916.80x = 2,015,875.20 × 346,644.80
  4. Step 4: Simplify right side
    1,343,916.80x = 698,792,655,528.96
  5. Step 5: Solve for x
    x = 698,792,655,528.96/1,343,916.80
  6. Step 6: Final answer
    x = 519,967.20

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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.