Home / 1,088,615.68-1,502,475.28-630,009.47

Finding the Fourth Proportional to 1,088,615.68, 1,502,475.28 and 630,009.47

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Solution

The fourth proportional to 1,088,615.68, 1,502,475.28 and 630,009.47 is: 869,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,615.68 : 1,502,475.28 = 630,009.47 : x
  2. Step 2: Convert to fraction form
    1,088,615.68/1,502,475.28 = 630,009.47/x
  3. Step 3: Cross multiply
    1,088,615.68x = 1,502,475.28 × 630,009.47
  4. Step 4: Simplify right side
    1,088,615.68x = 946,573,657,022.07
  5. Step 5: Solve for x
    x = 946,573,657,022.07/1,088,615.68
  6. Step 6: Final answer
    x = 869,520.51

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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.