Home / 1,525,573.29-2,105,581.40-1,009,337.41

Finding the Fourth Proportional to 1,525,573.29, 2,105,581.40 and 1,009,337.41

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Solution

The fourth proportional to 1,525,573.29, 2,105,581.40 and 1,009,337.41 is: 1,393,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,573.29 : 2,105,581.40 = 1,009,337.41 : x
  2. Step 2: Convert to fraction form
    1,525,573.29/2,105,581.40 = 1,009,337.41/x
  3. Step 3: Cross multiply
    1,525,573.29x = 2,105,581.40 × 1,009,337.41
  4. Step 4: Simplify right side
    1,525,573.29x = 2,125,242,076,820.17
  5. Step 5: Solve for x
    x = 2,125,242,076,820.17/1,525,573.29
  6. Step 6: Final answer
    x = 1,393,077.67

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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.