Home / 1,486,720.25-2,051,509.40-824,415.45

Finding the Fourth Proportional to 1,486,720.25, 2,051,509.40 and 824,415.45

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Solution

The fourth proportional to 1,486,720.25, 2,051,509.40 and 824,415.45 is: 1,137,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,720.25 : 2,051,509.40 = 824,415.45 : x
  2. Step 2: Convert to fraction form
    1,486,720.25/2,051,509.40 = 824,415.45/x
  3. Step 3: Cross multiply
    1,486,720.25x = 2,051,509.40 × 824,415.45
  4. Step 4: Simplify right side
    1,486,720.25x = 1,691,296,041,058.15
  5. Step 5: Solve for x
    x = 1,691,296,041,058.15/1,486,720.25
  6. Step 6: Final answer
    x = 1,137,602.08

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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.