Home / 1,709,727.90-2,564,263.80-511,689.30

Finding the Fourth Proportional to 1,709,727.90, 2,564,263.80 and 511,689.30

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Solution

The fourth proportional to 1,709,727.90, 2,564,263.80 and 511,689.30 is: 767,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,727.90 : 2,564,263.80 = 511,689.30 : x
  2. Step 2: Convert to fraction form
    1,709,727.90/2,564,263.80 = 511,689.30/x
  3. Step 3: Cross multiply
    1,709,727.90x = 2,564,263.80 × 511,689.30
  4. Step 4: Simplify right side
    1,709,727.90x = 1,312,106,348,837.34
  5. Step 5: Solve for x
    x = 1,312,106,348,837.34/1,709,727.90
  6. Step 6: Final answer
    x = 767,435.77

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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.