Home / 1,210,609.95-1,670,518.10-745,389.95

Finding the Fourth Proportional to 1,210,609.95, 1,670,518.10 and 745,389.95

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Solution

The fourth proportional to 1,210,609.95, 1,670,518.10 and 745,389.95 is: 1,028,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,609.95 : 1,670,518.10 = 745,389.95 : x
  2. Step 2: Convert to fraction form
    1,210,609.95/1,670,518.10 = 745,389.95/x
  3. Step 3: Cross multiply
    1,210,609.95x = 1,670,518.10 × 745,389.95
  4. Step 4: Simplify right side
    1,210,609.95x = 1,245,187,395,495.74
  5. Step 5: Solve for x
    x = 1,245,187,395,495.74/1,210,609.95
  6. Step 6: Final answer
    x = 1,028,562.00

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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.