Home / 1,020,210.30-1,528,565.85-486,582.30

Finding the Fourth Proportional to 1,020,210.30, 1,528,565.85 and 486,582.30

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Solution

The fourth proportional to 1,020,210.30, 1,528,565.85 and 486,582.30 is: 729,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,210.30 : 1,528,565.85 = 486,582.30 : x
  2. Step 2: Convert to fraction form
    1,020,210.30/1,528,565.85 = 486,582.30/x
  3. Step 3: Cross multiply
    1,020,210.30x = 1,528,565.85 × 486,582.30
  4. Step 4: Simplify right side
    1,020,210.30x = 743,773,086,994.46
  5. Step 5: Solve for x
    x = 743,773,086,994.46/1,020,210.30
  6. Step 6: Final answer
    x = 729,038.99

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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.