Home / 1,020,429.46-1,408,157.36-561,501.13

Finding the Fourth Proportional to 1,020,429.46, 1,408,157.36 and 561,501.13

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Solution

The fourth proportional to 1,020,429.46, 1,408,157.36 and 561,501.13 is: 774,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,429.46 : 1,408,157.36 = 561,501.13 : x
  2. Step 2: Convert to fraction form
    1,020,429.46/1,408,157.36 = 561,501.13/x
  3. Step 3: Cross multiply
    1,020,429.46x = 1,408,157.36 × 561,501.13
  4. Step 4: Simplify right side
    1,020,429.46x = 790,681,942,529.92
  5. Step 5: Solve for x
    x = 790,681,942,529.92/1,020,429.46
  6. Step 6: Final answer
    x = 774,852.13

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Double scale
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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.