Home / 1,300,411.71-1,950,420.74-353,856.24

Finding the Fourth Proportional to 1,300,411.71, 1,950,420.74 and 353,856.24

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Solution

The fourth proportional to 1,300,411.71, 1,950,420.74 and 353,856.24 is: 530,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,411.71 : 1,950,420.74 = 353,856.24 : x
  2. Step 2: Convert to fraction form
    1,300,411.71/1,950,420.74 = 353,856.24/x
  3. Step 3: Cross multiply
    1,300,411.71x = 1,950,420.74 × 353,856.24
  4. Step 4: Simplify right side
    1,300,411.71x = 690,168,547,705.14
  5. Step 5: Solve for x
    x = 690,168,547,705.14/1,300,411.71
  6. Step 6: Final answer
    x = 530,730.80

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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.