Home / 1,152,503.12-1,590,254.52-668,959.76

Finding the Fourth Proportional to 1,152,503.12, 1,590,254.52 and 668,959.76

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Solution

The fourth proportional to 1,152,503.12, 1,590,254.52 and 668,959.76 is: 923,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,503.12 : 1,590,254.52 = 668,959.76 : x
  2. Step 2: Convert to fraction form
    1,152,503.12/1,590,254.52 = 668,959.76/x
  3. Step 3: Cross multiply
    1,152,503.12x = 1,590,254.52 × 668,959.76
  4. Step 4: Simplify right side
    1,152,503.12x = 1,063,816,282,038.12
  5. Step 5: Solve for x
    x = 1,063,816,282,038.12/1,152,503.12
  6. Step 6: Final answer
    x = 923,048.51

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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.