Home / 1,572,562.80-2,358,844.20-390,610.80

Finding the Fourth Proportional to 1,572,562.80, 2,358,844.20 and 390,610.80

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Solution

The fourth proportional to 1,572,562.80, 2,358,844.20 and 390,610.80 is: 585,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,562.80 : 2,358,844.20 = 390,610.80 : x
  2. Step 2: Convert to fraction form
    1,572,562.80/2,358,844.20 = 390,610.80/x
  3. Step 3: Cross multiply
    1,572,562.80x = 2,358,844.20 × 390,610.80
  4. Step 4: Simplify right side
    1,572,562.80x = 921,390,020,037.36
  5. Step 5: Solve for x
    x = 921,390,020,037.36/1,572,562.80
  6. Step 6: Final answer
    x = 585,916.20

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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.