Home / 909,626.40-1,363,564.80-707,110.20

Finding the Fourth Proportional to 909,626.40, 1,363,564.80 and 707,110.20

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Solution

The fourth proportional to 909,626.40, 1,363,564.80 and 707,110.20 is: 1,059,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,626.40 : 1,363,564.80 = 707,110.20 : x
  2. Step 2: Convert to fraction form
    909,626.40/1,363,564.80 = 707,110.20/x
  3. Step 3: Cross multiply
    909,626.40x = 1,363,564.80 × 707,110.20
  4. Step 4: Simplify right side
    909,626.40x = 964,190,578,440.96
  5. Step 5: Solve for x
    x = 964,190,578,440.96/909,626.40
  6. Step 6: Final answer
    x = 1,059,985.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.