Home / 1,312,307.60-1,810,984.47-708,695.60

Finding the Fourth Proportional to 1,312,307.60, 1,810,984.47 and 708,695.60

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Solution

The fourth proportional to 1,312,307.60, 1,810,984.47 and 708,695.60 is: 977,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,307.60 : 1,810,984.47 = 708,695.60 : x
  2. Step 2: Convert to fraction form
    1,312,307.60/1,810,984.47 = 708,695.60/x
  3. Step 3: Cross multiply
    1,312,307.60x = 1,810,984.47 × 708,695.60
  4. Step 4: Simplify right side
    1,312,307.60x = 1,283,436,713,844.80
  5. Step 5: Solve for x
    x = 1,283,436,713,844.80/1,312,307.60
  6. Step 6: Final answer
    x = 977,999.91

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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.