Home / 1,129,444.02-1,558,657.89-620,148.42

Finding the Fourth Proportional to 1,129,444.02, 1,558,657.89 and 620,148.42

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Solution

The fourth proportional to 1,129,444.02, 1,558,657.89 and 620,148.42 is: 855,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,444.02 : 1,558,657.89 = 620,148.42 : x
  2. Step 2: Convert to fraction form
    1,129,444.02/1,558,657.89 = 620,148.42/x
  3. Step 3: Cross multiply
    1,129,444.02x = 1,558,657.89 × 620,148.42
  4. Step 4: Simplify right side
    1,129,444.02x = 966,599,227,804.03
  5. Step 5: Solve for x
    x = 966,599,227,804.03/1,129,444.02
  6. Step 6: Final answer
    x = 855,818.62

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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.