Home / 1,487,048.40-2,052,130.68-807,970.32

Finding the Fourth Proportional to 1,487,048.40, 2,052,130.68 and 807,970.32

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Solution

The fourth proportional to 1,487,048.40, 2,052,130.68 and 807,970.32 is: 1,115,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,048.40 : 2,052,130.68 = 807,970.32 : x
  2. Step 2: Convert to fraction form
    1,487,048.40/2,052,130.68 = 807,970.32/x
  3. Step 3: Cross multiply
    1,487,048.40x = 2,052,130.68 × 807,970.32
  4. Step 4: Simplify right side
    1,487,048.40x = 1,658,060,682,201.42
  5. Step 5: Solve for x
    x = 1,658,060,682,201.42/1,487,048.40
  6. Step 6: Final answer
    x = 1,115,001.15

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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.