Home / 1,112,477.60-1,535,210.16-629,042.72

Finding the Fourth Proportional to 1,112,477.60, 1,535,210.16 and 629,042.72

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Solution

The fourth proportional to 1,112,477.60, 1,535,210.16 and 629,042.72 is: 868,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,477.60 : 1,535,210.16 = 629,042.72 : x
  2. Step 2: Convert to fraction form
    1,112,477.60/1,535,210.16 = 629,042.72/x
  3. Step 3: Cross multiply
    1,112,477.60x = 1,535,210.16 × 629,042.72
  4. Step 4: Simplify right side
    1,112,477.60x = 965,712,774,818.04
  5. Step 5: Solve for x
    x = 965,712,774,818.04/1,112,477.60
  6. Step 6: Final answer
    x = 868,073.91

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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.