Home / 906,775.04-1,251,686.40-778,937.60

Finding the Fourth Proportional to 906,775.04, 1,251,686.40 and 778,937.60

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Solution

The fourth proportional to 906,775.04, 1,251,686.40 and 778,937.60 is: 1,075,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,775.04 : 1,251,686.40 = 778,937.60 : x
  2. Step 2: Convert to fraction form
    906,775.04/1,251,686.40 = 778,937.60/x
  3. Step 3: Cross multiply
    906,775.04x = 1,251,686.40 × 778,937.60
  4. Step 4: Simplify right side
    906,775.04x = 974,985,600,368.64
  5. Step 5: Solve for x
    x = 974,985,600,368.64/906,775.04
  6. Step 6: Final answer
    x = 1,075,223.24

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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.