Home / 1,020,389.80-1,530,746.70-346,534.60

Finding the Fourth Proportional to 1,020,389.80, 1,530,746.70 and 346,534.60

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Solution

The fourth proportional to 1,020,389.80, 1,530,746.70 and 346,534.60 is: 519,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,389.80 : 1,530,746.70 = 346,534.60 : x
  2. Step 2: Convert to fraction form
    1,020,389.80/1,530,746.70 = 346,534.60/x
  3. Step 3: Cross multiply
    1,020,389.80x = 1,530,746.70 × 346,534.60
  4. Step 4: Simplify right side
    1,020,389.80x = 530,456,695,385.82
  5. Step 5: Solve for x
    x = 530,456,695,385.82/1,020,389.80
  6. Step 6: Final answer
    x = 519,856.92

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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.