Home / 1,307,807.80-1,963,266.90-739,641.40

Finding the Fourth Proportional to 1,307,807.80, 1,963,266.90 and 739,641.40

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Solution

The fourth proportional to 1,307,807.80, 1,963,266.90 and 739,641.40 is: 1,110,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,807.80 : 1,963,266.90 = 739,641.40 : x
  2. Step 2: Convert to fraction form
    1,307,807.80/1,963,266.90 = 739,641.40/x
  3. Step 3: Cross multiply
    1,307,807.80x = 1,963,266.90 × 739,641.40
  4. Step 4: Simplify right side
    1,307,807.80x = 1,452,113,478,489.66
  5. Step 5: Solve for x
    x = 1,452,113,478,489.66/1,307,807.80
  6. Step 6: Final answer
    x = 1,110,341.66

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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.