Home / 1,574,280.90-2,172,445.11-929,908.08

Finding the Fourth Proportional to 1,574,280.90, 2,172,445.11 and 929,908.08

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Solution

The fourth proportional to 1,574,280.90, 2,172,445.11 and 929,908.08 is: 1,283,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,280.90 : 2,172,445.11 = 929,908.08 : x
  2. Step 2: Convert to fraction form
    1,574,280.90/2,172,445.11 = 929,908.08/x
  3. Step 3: Cross multiply
    1,574,280.90x = 2,172,445.11 × 929,908.08
  4. Step 4: Simplify right side
    1,574,280.90x = 2,020,174,261,145.49
  5. Step 5: Solve for x
    x = 2,020,174,261,145.49/1,574,280.90
  6. Step 6: Final answer
    x = 1,283,236.21

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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.