Home / 1,618,723.20-2,426,140.80-671,606.40

Finding the Fourth Proportional to 1,618,723.20, 2,426,140.80 and 671,606.40

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Solution

The fourth proportional to 1,618,723.20, 2,426,140.80 and 671,606.40 is: 1,006,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,723.20 : 2,426,140.80 = 671,606.40 : x
  2. Step 2: Convert to fraction form
    1,618,723.20/2,426,140.80 = 671,606.40/x
  3. Step 3: Cross multiply
    1,618,723.20x = 2,426,140.80 × 671,606.40
  4. Step 4: Simplify right side
    1,618,723.20x = 1,629,411,688,581.12
  5. Step 5: Solve for x
    x = 1,629,411,688,581.12/1,618,723.20
  6. Step 6: Final answer
    x = 1,006,603.04

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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.