Home / 1,458,000.34-2,012,041.73-813,420.67

Finding the Fourth Proportional to 1,458,000.34, 2,012,041.73 and 813,420.67

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Solution

The fourth proportional to 1,458,000.34, 2,012,041.73 and 813,420.67 is: 1,122,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,000.34 : 2,012,041.73 = 813,420.67 : x
  2. Step 2: Convert to fraction form
    1,458,000.34/2,012,041.73 = 813,420.67/x
  3. Step 3: Cross multiply
    1,458,000.34x = 2,012,041.73 × 813,420.67
  4. Step 4: Simplify right side
    1,458,000.34x = 1,636,636,329,088.01
  5. Step 5: Solve for x
    x = 1,636,636,329,088.01/1,458,000.34
  6. Step 6: Final answer
    x = 1,122,521.22

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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.