Home / 1,985,547.87-2,977,730.10-723,080.25

Finding the Fourth Proportional to 1,985,547.87, 2,977,730.10 and 723,080.25

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Solution

The fourth proportional to 1,985,547.87, 2,977,730.10 and 723,080.25 is: 1,084,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,547.87 : 2,977,730.10 = 723,080.25 : x
  2. Step 2: Convert to fraction form
    1,985,547.87/2,977,730.10 = 723,080.25/x
  3. Step 3: Cross multiply
    1,985,547.87x = 2,977,730.10 × 723,080.25
  4. Step 4: Simplify right side
    1,985,547.87x = 2,153,137,825,140.53
  5. Step 5: Solve for x
    x = 2,153,137,825,140.53/1,985,547.87
  6. Step 6: Final answer
    x = 1,084,404.89

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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.