Home / 1,535,480.32-2,119,384.56-891,108.04

Finding the Fourth Proportional to 1,535,480.32, 2,119,384.56 and 891,108.04

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Solution

The fourth proportional to 1,535,480.32, 2,119,384.56 and 891,108.04 is: 1,229,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,480.32 : 2,119,384.56 = 891,108.04 : x
  2. Step 2: Convert to fraction form
    1,535,480.32/2,119,384.56 = 891,108.04/x
  3. Step 3: Cross multiply
    1,535,480.32x = 2,119,384.56 × 891,108.04
  4. Step 4: Simplify right side
    1,535,480.32x = 1,888,600,621,267.86
  5. Step 5: Solve for x
    x = 1,888,600,621,267.86/1,535,480.32
  6. Step 6: Final answer
    x = 1,229,973.84

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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.