Home / 1,020,272.04-1,408,129.38-590,832.72

Finding the Fourth Proportional to 1,020,272.04, 1,408,129.38 and 590,832.72

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Solution

The fourth proportional to 1,020,272.04, 1,408,129.38 and 590,832.72 is: 815,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,272.04 : 1,408,129.38 = 590,832.72 : x
  2. Step 2: Convert to fraction form
    1,020,272.04/1,408,129.38 = 590,832.72/x
  3. Step 3: Cross multiply
    1,020,272.04x = 1,408,129.38 × 590,832.72
  4. Step 4: Simplify right side
    1,020,272.04x = 831,968,911,697.31
  5. Step 5: Solve for x
    x = 831,968,911,697.31/1,020,272.04
  6. Step 6: Final answer
    x = 815,438.31

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1.5x scale

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.